220k views
23 votes
Solve the equation for y: -2y=-x+7

1 Answer

10 votes

To solve for a variable means to ISOLATE the variable on one side of the equation. To do so, divide both sides by the coefficient of y.

Look:

2y/2 = (-x+7)/2

Answer: y = (-x + 7)/2

The answer can also be written as

y = -(x/2) + (7/2)

Both answers mean the same thing.

User Jirinovo
by
4.4k points