4r-12+5r=-12+r

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Solution for 4r-12+5r=-12+r equation:


Simplifying
4r + -12 + 5r = -12 + r

Reorder the terms:
-12 + 4r + 5r = -12 + r

Combine like terms: 4r + 5r = 9r
-12 + 9r = -12 + r

Add '12' to each side of the equation.
-12 + 12 + 9r = -12 + 12 + r

Combine like terms: -12 + 12 = 0
0 + 9r = -12 + 12 + r
9r = -12 + 12 + r

Combine like terms: -12 + 12 = 0
9r = 0 + r
9r = r

Solving
9r = r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
9r + -1r = r + -1r

Combine like terms: 9r + -1r = 8r
8r = r + -1r

Combine like terms: r + -1r = 0
8r = 0

Divide each side by '8'.
r = 0

Simplifying
r = 0

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