-7(-4+r)=56

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Solution for -7(-4+r)=56 equation: 


Simplifying
-7(-4 + r) = 56
(-4 * -7 + r * -7) = 56
(28 + -7r) = 56

Solving
28 + -7r = 56

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 + -7r = 56 + -28

Combine like terms: 28 + -28 = 0
0 + -7r = 56 + -28
-7r = 56 + -28

Combine like terms: 56 + -28 = 28
-7r = 28

Divide each side by '-7'.
r = -4

Simplifying
r = -4

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