r(-4)=-20-48-4+7

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Solution for r(-4)=-20-48-4+7 equation: 


Simplifying
r(-4) = -20 + -48 + -4 + 7

Reorder the terms for easier multiplication:
-4r = -20 + -48 + -4 + 7

Combine like terms: -20 + -48 = -68
-4r = -68 + -4 + 7

Combine like terms: -68 + -4 = -72
-4r = -72 + 7

Combine like terms: -72 + 7 = -65
-4r = -65

Solving
-4r = -65

Solving for variable 'r'.

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

Divide each side by '-4'.
r = 16.25

Simplifying
r = 16.25

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