8(8+4r)-2(2r+2)=-52

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Solution for 8(8+4r)-2(2r+2)=-52 equation:


Simplifying
8(8 + 4r) + -2(2r + 2) = -52
(8 * 8 + 4r * 8) + -2(2r + 2) = -52
(64 + 32r) + -2(2r + 2) = -52

Reorder the terms:
64 + 32r + -2(2 + 2r) = -52
64 + 32r + (2 * -2 + 2r * -2) = -52
64 + 32r + (-4 + -4r) = -52

Reorder the terms:
64 + -4 + 32r + -4r = -52

Combine like terms: 64 + -4 = 60
60 + 32r + -4r = -52

Combine like terms: 32r + -4r = 28r
60 + 28r = -52

Solving
60 + 28r = -52

Solving for variable 'r'.

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

Add '-60' to each side of the equation.
60 + -60 + 28r = -52 + -60

Combine like terms: 60 + -60 = 0
0 + 28r = -52 + -60
28r = -52 + -60

Combine like terms: -52 + -60 = -112
28r = -112

Divide each side by '28'.
r = -4

Simplifying
r = -4

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