-8r-2=-16-8r+7r

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Solution for -8r-2=-16-8r+7r equation:


Simplifying
-8r + -2 = -16 + -8r + 7r

Reorder the terms:
-2 + -8r = -16 + -8r + 7r

Combine like terms: -8r + 7r = -1r
-2 + -8r = -16 + -1r

Solving
-2 + -8r = -16 + -1r

Solving for variable 'r'.

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

Add 'r' to each side of the equation.
-2 + -8r + r = -16 + -1r + r

Combine like terms: -8r + r = -7r
-2 + -7r = -16 + -1r + r

Combine like terms: -1r + r = 0
-2 + -7r = -16 + 0
-2 + -7r = -16

Add '2' to each side of the equation.
-2 + 2 + -7r = -16 + 2

Combine like terms: -2 + 2 = 0
0 + -7r = -16 + 2
-7r = -16 + 2

Combine like terms: -16 + 2 = -14
-7r = -14

Divide each side by '-7'.
r = 2

Simplifying
r = 2

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