7-7(1-4r)=-224

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Solution for 7-7(1-4r)=-224 equation: 


Simplifying
7 + -7(1 + -4r) = -224
7 + (1 * -7 + -4r * -7) = -224
7 + (-7 + 28r) = -224

Combine like terms: 7 + -7 = 0
0 + 28r = -224
28r = -224

Solving
28r = -224

Solving for variable 'r'.

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

Divide each side by '28'.
r = -8

Simplifying
r = -8

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