8r-8=4r+12

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Solution for 8r-8=4r+12 equation:


Simplifying
8r + -8 = 4r + 12

Reorder the terms:
-8 + 8r = 4r + 12

Reorder the terms:
-8 + 8r = 12 + 4r

Solving
-8 + 8r = 12 + 4r

Solving for variable 'r'.

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

Add '-4r' to each side of the equation.
-8 + 8r + -4r = 12 + 4r + -4r

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

Combine like terms: 4r + -4r = 0
-8 + 4r = 12 + 0
-8 + 4r = 12

Add '8' to each side of the equation.
-8 + 8 + 4r = 12 + 8

Combine like terms: -8 + 8 = 0
0 + 4r = 12 + 8
4r = 12 + 8

Combine like terms: 12 + 8 = 20
4r = 20

Divide each side by '4'.
r = 5

Simplifying
r = 5

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