8+6r-4=9r+12-2r

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Solution for 8+6r-4=9r+12-2r equation:


Simplifying
8 + 6r + -4 = 9r + 12 + -2r

Reorder the terms:
8 + -4 + 6r = 9r + 12 + -2r

Combine like terms: 8 + -4 = 4
4 + 6r = 9r + 12 + -2r

Reorder the terms:
4 + 6r = 12 + 9r + -2r

Combine like terms: 9r + -2r = 7r
4 + 6r = 12 + 7r

Solving
4 + 6r = 12 + 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.
4 + 6r + -7r = 12 + 7r + -7r

Combine like terms: 6r + -7r = -1r
4 + -1r = 12 + 7r + -7r

Combine like terms: 7r + -7r = 0
4 + -1r = 12 + 0
4 + -1r = 12

Add '-4' to each side of the equation.
4 + -4 + -1r = 12 + -4

Combine like terms: 4 + -4 = 0
0 + -1r = 12 + -4
-1r = 12 + -4

Combine like terms: 12 + -4 = 8
-1r = 8

Divide each side by '-1'.
r = -8

Simplifying
r = -8

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