8r-12=-61+r

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Solution for 8r-12=-61+r equation:


Simplifying
8r + -12 = -61 + r

Reorder the terms:
-12 + 8r = -61 + r

Solving
-12 + 8r = -61 + r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
-12 + 8r + -1r = -61 + r + -1r

Combine like terms: 8r + -1r = 7r
-12 + 7r = -61 + r + -1r

Combine like terms: r + -1r = 0
-12 + 7r = -61 + 0
-12 + 7r = -61

Add '12' to each side of the equation.
-12 + 12 + 7r = -61 + 12

Combine like terms: -12 + 12 = 0
0 + 7r = -61 + 12
7r = -61 + 12

Combine like terms: -61 + 12 = -49
7r = -49

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

Simplifying
r = -7

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