8(3-8r)+4=156

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Solution for 8(3-8r)+4=156 equation: 


Simplifying
8(3 + -8r) + 4 = 156
(3 * 8 + -8r * 8) + 4 = 156
(24 + -64r) + 4 = 156

Reorder the terms:
24 + 4 + -64r = 156

Combine like terms: 24 + 4 = 28
28 + -64r = 156

Solving
28 + -64r = 156

Solving for variable 'r'.

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

Add '-28' to each side of the equation.
28 + -28 + -64r = 156 + -28

Combine like terms: 28 + -28 = 0
0 + -64r = 156 + -28
-64r = 156 + -28

Combine like terms: 156 + -28 = 128
-64r = 128

Divide each side by '-64'.
r = -2

Simplifying
r = -2

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