-7(3-2r)=-133

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Solution for -7(3-2r)=-133 equation: 


Simplifying
-7(3 + -2r) = -133
(3 * -7 + -2r * -7) = -133
(-21 + 14r) = -133

Solving
-21 + 14r = -133

Solving for variable 'r'.

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

Add '21' to each side of the equation.
-21 + 21 + 14r = -133 + 21

Combine like terms: -21 + 21 = 0
0 + 14r = -133 + 21
14r = -133 + 21

Combine like terms: -133 + 21 = -112
14r = -112

Divide each side by '14'.
r = -8

Simplifying
r = -8

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