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Substitution help!! (algebra 1)?

0 votes

Substitution help!! (algebra 1)?

1) x = 4y + 5

    x = 3y - 2

2) y = 2x + 3

    y = 4x - 1

asked Apr 7, 2016 in ALGEBRA 1 by anonymous

2 Answers

0 votes

(1)

Step 1:

The equations are  and .

Rewrite the equations.

 and .

Consider the equation .

Solve for .

Substitute  in .

image

Solve for .

Substitute image in .

image

Solution:

The solution is image.

answered Apr 7, 2016 by lilly Expert
reshown Apr 7, 2016 by goushi
0 votes

(2)

Step 2:

The equations are image and image.

Rewrite the equations.

image and image.

Consider the equation image.

Solve for .

Substitute image in image.

image

Solve for .

Substitute image in image.

image

The solutions are image and image

Solution:

The solution is image

answered Apr 7, 2016 by lilly Expert

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