Question

Write each equation in y = mx + b form.

1. x - y = 4







2. 2x + y = 9

Answer 1

x - y = 4
-y = -x + 4 (1
y = x - 4


2x + y = 9 (2
y = -2x + 9



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Answer 2

1. y=x-4

2. y=-2x+9

Explanation:

x-y=4

-x -x

-y=-x+4

÷-1 ÷-1

y=x-4

2x+y=9

-2x -2x

y=-2x+9