-8=4r-7+6r+2r

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Solution for -8=4r-7+6r+2r equation:


Simplifying
-8 = 4r + -7 + 6r + 2r

Reorder the terms:
-8 = -7 + 4r + 6r + 2r

Combine like terms: 4r + 6r = 10r
-8 = -7 + 10r + 2r

Combine like terms: 10r + 2r = 12r
-8 = -7 + 12r

Solving
-8 = -7 + 12r

Solving for variable 'r'.

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

Add '-12r' to each side of the equation.
-8 + -12r = -7 + 12r + -12r

Combine like terms: 12r + -12r = 0
-8 + -12r = -7 + 0
-8 + -12r = -7

Add '8' to each side of the equation.
-8 + 8 + -12r = -7 + 8

Combine like terms: -8 + 8 = 0
0 + -12r = -7 + 8
-12r = -7 + 8

Combine like terms: -7 + 8 = 1
-12r = 1

Divide each side by '-12'.
r = -0.08333333333

Simplifying
r = -0.08333333333

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