-4(r+2)=-77

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Solution for -4(r+2)=-77 equation: 


Simplifying
-4(r + 2) = -77

Reorder the terms:
-4(2 + r) = -77
(2 * -4 + r * -4) = -77
(-8 + -4r) = -77

Solving
-8 + -4r = -77

Solving for variable 'r'.

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

Add '8' to each side of the equation.
-8 + 8 + -4r = -77 + 8

Combine like terms: -8 + 8 = 0
0 + -4r = -77 + 8
-4r = -77 + 8

Combine like terms: -77 + 8 = -69
-4r = -69

Divide each side by '-4'.
r = 17.25

Simplifying
r = 17.25

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