-3r-8+7r=34+9r-2

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Solution for -3r-8+7r=34+9r-2 equation:


Simplifying
-3r + -8 + 7r = 34 + 9r + -2

Reorder the terms:
-8 + -3r + 7r = 34 + 9r + -2

Combine like terms: -3r + 7r = 4r
-8 + 4r = 34 + 9r + -2

Reorder the terms:
-8 + 4r = 34 + -2 + 9r

Combine like terms: 34 + -2 = 32
-8 + 4r = 32 + 9r

Solving
-8 + 4r = 32 + 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.
-8 + 4r + -9r = 32 + 9r + -9r

Combine like terms: 4r + -9r = -5r
-8 + -5r = 32 + 9r + -9r

Combine like terms: 9r + -9r = 0
-8 + -5r = 32 + 0
-8 + -5r = 32

Add '8' to each side of the equation.
-8 + 8 + -5r = 32 + 8

Combine like terms: -8 + 8 = 0
0 + -5r = 32 + 8
-5r = 32 + 8

Combine like terms: 32 + 8 = 40
-5r = 40

Divide each side by '-5'.
r = -8

Simplifying
r = -8

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