-7r+7-8r=-8

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Solution for -7r+7-8r=-8 equation:


Simplifying
-7r + 7 + -8r = -8

Reorder the terms:
7 + -7r + -8r = -8

Combine like terms: -7r + -8r = -15r
7 + -15r = -8

Solving
7 + -15r = -8

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '-7' to each side of the equation.
7 + -7 + -15r = -8 + -7

Combine like terms: 7 + -7 = 0
0 + -15r = -8 + -7
-15r = -8 + -7

Combine like terms: -8 + -7 = -15
-15r = -15

Divide each side by '-15'.
r = 1

Simplifying
r = 1

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