4r=12-8

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Solution for 4r=12-8 equation: 


Simplifying
4r = 12 + -8

Combine like terms: 12 + -8 = 4
4r = 4

Solving
4r = 4

Solving for variable 'r'.

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

Divide each side by '4'.
r = 1

Simplifying
r = 1

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