5+12r-4=7r+82-4r

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Solution for 5+12r-4=7r+82-4r equation:


Simplifying
5 + 12r + -4 = 7r + 82 + -4r

Reorder the terms:
5 + -4 + 12r = 7r + 82 + -4r

Combine like terms: 5 + -4 = 1
1 + 12r = 7r + 82 + -4r

Reorder the terms:
1 + 12r = 82 + 7r + -4r

Combine like terms: 7r + -4r = 3r
1 + 12r = 82 + 3r

Solving
1 + 12r = 82 + 3r

Solving for variable 'r'.

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

Add '-3r' to each side of the equation.
1 + 12r + -3r = 82 + 3r + -3r

Combine like terms: 12r + -3r = 9r
1 + 9r = 82 + 3r + -3r

Combine like terms: 3r + -3r = 0
1 + 9r = 82 + 0
1 + 9r = 82

Add '-1' to each side of the equation.
1 + -1 + 9r = 82 + -1

Combine like terms: 1 + -1 = 0
0 + 9r = 82 + -1
9r = 82 + -1

Combine like terms: 82 + -1 = 81
9r = 81

Divide each side by '9'.
r = 9

Simplifying
r = 9

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