-76-7r=12r+57

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Solution for -76-7r=12r+57 equation:


Simplifying
-76 + -7r = 12r + 57

Reorder the terms:
-76 + -7r = 57 + 12r

Solving
-76 + -7r = 57 + 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.
-76 + -7r + -12r = 57 + 12r + -12r

Combine like terms: -7r + -12r = -19r
-76 + -19r = 57 + 12r + -12r

Combine like terms: 12r + -12r = 0
-76 + -19r = 57 + 0
-76 + -19r = 57

Add '76' to each side of the equation.
-76 + 76 + -19r = 57 + 76

Combine like terms: -76 + 76 = 0
0 + -19r = 57 + 76
-19r = 57 + 76

Combine like terms: 57 + 76 = 133
-19r = 133

Divide each side by '-19'.
r = -7

Simplifying
r = -7

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