-7(-1+4r)-3=-164

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Solution for -7(-1+4r)-3=-164 equation: 


Simplifying
-7(-1 + 4r) + -3 = -164
(-1 * -7 + 4r * -7) + -3 = -164
(7 + -28r) + -3 = -164

Reorder the terms:
7 + -3 + -28r = -164

Combine like terms: 7 + -3 = 4
4 + -28r = -164

Solving
4 + -28r = -164

Solving for variable 'r'.

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

Add '-4' to each side of the equation.
4 + -4 + -28r = -164 + -4

Combine like terms: 4 + -4 = 0
0 + -28r = -164 + -4
-28r = -164 + -4

Combine like terms: -164 + -4 = -168
-28r = -168

Divide each side by '-28'.
r = 6

Simplifying
r = 6

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