-7r=-9r-8

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Solution for -7r=-9r-8 equation: 


Simplifying
-7r = -9r + -8

Reorder the terms:
-7r = -8 + -9r

Solving
-7r = -8 + -9r

Solving for variable 'r'.

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

Add '9r' to each side of the equation.
-7r + 9r = -8 + -9r + 9r

Combine like terms: -7r + 9r = 2r
2r = -8 + -9r + 9r

Combine like terms: -9r + 9r = 0
2r = -8 + 0
2r = -8

Divide each side by '2'.
r = -4

Simplifying
r = -4

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