Question

Solve for r.

–10r = 4 − 9r

Answer 1

The answer to the variable r is r=-4

Answer 2

r = -4

Explanation:

–10r = 4 − 9r

Add 9r to each side

–10r+9r = 4 − 9r+9r

-r = 4

Multiply each side by -1

-1 *-r = 4 *-1

r = -4