Question

How do you do this problem 7-r=8-r-r​

Answer 1

r = 1

Explanation:

7 - r = 8 - 2r

Add 2r to both sides

7 + r = 8

Subtract 7 from both sides

r = 1

Answer 2

r = 1

Explanation:

Solve for r

by simplifying both sides of the equation, then isolating the variable.