-10r+7=-8-8r-8r

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Solution for -10r+7=-8-8r-8r equation:


Simplifying
-10r + 7 = -8 + -8r + -8r

Reorder the terms:
7 + -10r = -8 + -8r + -8r

Combine like terms: -8r + -8r = -16r
7 + -10r = -8 + -16r

Solving
7 + -10r = -8 + -16r

Solving for variable 'r'.

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

Add '16r' to each side of the equation.
7 + -10r + 16r = -8 + -16r + 16r

Combine like terms: -10r + 16r = 6r
7 + 6r = -8 + -16r + 16r

Combine like terms: -16r + 16r = 0
7 + 6r = -8 + 0
7 + 6r = -8

Add '-7' to each side of the equation.
7 + -7 + 6r = -8 + -7

Combine like terms: 7 + -7 = 0
0 + 6r = -8 + -7
6r = -8 + -7

Combine like terms: -8 + -7 = -15
6r = -15

Divide each side by '6'.
r = -2.5

Simplifying
r = -2.5

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