4r-8=56

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Solution for 4r-8=56 equation: 


Simplifying
4r + -8 = 56

Reorder the terms:
-8 + 4r = 56

Solving
-8 + 4r = 56

Solving for variable 'r'.

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

Add '8' to each side of the equation.
-8 + 8 + 4r = 56 + 8

Combine like terms: -8 + 8 = 0
0 + 4r = 56 + 8
4r = 56 + 8

Combine like terms: 56 + 8 = 64
4r = 64

Divide each side by '4'.
r = 16

Simplifying
r = 16

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