9r=-8+7r

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


Simplifying
9r = -8 + 7r

Solving
9r = -8 + 7r

Solving for variable 'r'.

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

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

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

Combine like terms: 7r + -7r = 0
2r = -8 + 0
2r = -8

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

Simplifying
r = -4

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