Question

Check which of the following is a solution to the equation x-2y=4.
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Answer 1

solve for y y= -2+x/2

solve for x x=4+2y

Explanation:

x-2y=4

+x =4+x

-2y = 4 + x divide both sides by -2

2 -2

y=-2 + x/2

x-2y=4

+2y=4+2y

x = 4+2y