12+7r=5r

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Solution for 12+7r=5r equation:


Simplifying
12 + 7r = 5r

Solving
12 + 7r = 5r

Solving for variable 'r'.

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

Add '-5r' to each side of the equation.
12 + 7r + -5r = 5r + -5r

Combine like terms: 7r + -5r = 2r
12 + 2r = 5r + -5r

Combine like terms: 5r + -5r = 0
12 + 2r = 0

Add '-12' to each side of the equation.
12 + -12 + 2r = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 2r = 0 + -12
2r = 0 + -12

Combine like terms: 0 + -12 = -12
2r = -12

Divide each side by '2'.
r = -6

Simplifying
r = -6

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