8+12r-4=7r+12-3r

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Solution for 8+12r-4=7r+12-3r equation: 


Simplifying
8 + 12r + -4 = 7r + 12 + -3r

Reorder the terms:
8 + -4 + 12r = 7r + 12 + -3r

Combine like terms: 8 + -4 = 4
4 + 12r = 7r + 12 + -3r

Reorder the terms:
4 + 12r = 12 + 7r + -3r

Combine like terms: 7r + -3r = 4r
4 + 12r = 12 + 4r

Solving
4 + 12r = 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.
4 + 12r + -4r = 12 + 4r + -4r

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

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

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

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

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

Divide each side by '8'.
r = 1

Simplifying
r = 1

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