Solve these equations with two unknowns by the method of reduction: 1.- 5x+4y=120 2.- 8x+20y=280 I will be very grateful for you help ;)

Q: 32. Solve: Vx 8 V2x9 =1 -

A: We add sqrt(2x+9) to both sides

Q: Solve: X= y= Z= W= 5x y+9 29 (55 *+⁹)= ( ²3 ) 4 5

A: Here we have to find the values of variables.

Q: Solve for v -8v-19= -5(v+5)

A: To find: -

Q: The equation C(x) = 380x+0.1x² +1000 represents the total cost of producing left-sided widgets where…

A: The given equation is: Cx=380x+0.1x2+1000 To find  (a) The total cost of producing 40 left-sided…

Q: Solve the equation: 3x + 2(4x - 4) = 3 Ox= 4 Ox= 3 X = X = 2

A: The given equation is 3x+24x-4=3.

Q: )² - x² (4x+y'+ 13x'

A: Given differential equation is y'2 -x2 4x+3 y' +12 x5 =0 This is first order homogeneous…

Q: -4) 12x+30= 3xー12

A: we first distribute the equation, Then combine like term on same side.

Q: SOLVE BY BOTH ELIMINATION AND SUBSTITUTION METHOD

A:

Q: Solve -8x? + 15x + 5 = 0. (Round your answers to two decimal places.) (smaller value) and x= (larger…

A:

Q: Solve to find two values of x: 2x2 +2x-12=0

A:

Q: Solve the difference equation 16yk+2 +8yk+1+Yk = 6 - 5k, Yo = 2, Y₁ = 3

A:

Q: What are the solutions to the equation? x2 + 6x = 40 x = −10 and x = 4 x = −8 and x = 5 x = −5 and…

A: Please see the answer in step 2

Q: 25x2+16y2-600x-256y+4224=0 What is the standard form of the equation?

A:

Q: solve: fx"- 4x-3y=et-6 5x+y + 4y = 8+ cost

A:

Q: 6x9y+ z = −12 2x - 3y z = −4 - -4 -8x + 12y = 16

A: On solving this we will get

Q: what is this equation called 10 x+10y =80 10x+8y=74

A: They are called system of linear equations in two variables namely x and y.

Q: 3 3x (p²³+ p² - 512+3) y = è +4e²"

A:

Q: 2 Solve: la .5-9 2-5-5 d -5-1 |• -5-2 Ir 증-4-10

A: Our objective is to solve the above equations.

Q: solve

A: Given, solve for x 3(5-3x)-4=-15

Q: 5) Solve: 2 1n(4 - 3x) + 1 = 7

A:

Q: A 21-foot rope is cut into 2 pieces. Seven less than three times the length of the longer rope piece…

A: Given that a rope is cut into 2 pieces. Here seven less than three times the length of the longer…

Q: Marcus Wells found that a 2-liter (67.6 ounces) bottle of soda has a unit price that is $0.005 more…

A:

Q: Determine the general solution for 2sinx²-7sinx-4=0

A: The given equation is; 2sin2x -7sinx-4=0

Q: 3メ+24=8 . %3D 2メー34=牛

A:

Q: (2x+7 14 い-3 f -3くろくて 1-22+414 xフて 5.- Sketcch the graph of ta)=

A:

Q: 3 mangoes and 2 pineapples can be bought at Rs.420. Price of 4 mangoes is Rs.10 more than the price…

A:

Q: 15) When an object is dropped from a height of 314 feet, its height can be found using the equation.…

A: Given:  When an object is dropped form a height of 314 feet, its height in feet can be found using…

Q: if x equals 6 how would i sove this equation   x-10(2x+8)-43+25=

A: Given expression is as follows

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.