-7(r+8)=-4

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Solution for -7(r+8)=-4 equation:


Simplifying
-7(r + 8) = -4

Reorder the terms:
-7(8 + r) = -4
(8 * -7 + r * -7) = -4
(-56 + -7r) = -4

Solving
-56 + -7r = -4

Solving for variable 'r'.

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

Add '56' to each side of the equation.
-56 + 56 + -7r = -4 + 56

Combine like terms: -56 + 56 = 0
0 + -7r = -4 + 56
-7r = -4 + 56

Combine like terms: -4 + 56 = 52
-7r = 52

Divide each side by '-7'.
r = -7.428571429

Simplifying
r = -7.428571429

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