-5-(r+2)=-77

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Solution for -5-(r+2)=-77 equation: 


Simplifying
-5 + -1(r + 2) = -77

Reorder the terms:
-5 + -1(2 + r) = -77
-5 + (2 * -1 + r * -1) = -77
-5 + (-2 + -1r) = -77

Combine like terms: -5 + -2 = -7
-7 + -1r = -77

Solving
-7 + -1r = -77

Solving for variable 'r'.

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

Add '7' to each side of the equation.
-7 + 7 + -1r = -77 + 7

Combine like terms: -7 + 7 = 0
0 + -1r = -77 + 7
-1r = -77 + 7

Combine like terms: -77 + 7 = -70
-1r = -70

Divide each side by '-1'.
r = 70

Simplifying
r = 70

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