8+15r-3=7r+82-3r

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Solution for 8+15r-3=7r+82-3r equation:


Simplifying
8 + 15r + -3 = 7r + 82 + -3r

Reorder the terms:
8 + -3 + 15r = 7r + 82 + -3r

Combine like terms: 8 + -3 = 5
5 + 15r = 7r + 82 + -3r

Reorder the terms:
5 + 15r = 82 + 7r + -3r

Combine like terms: 7r + -3r = 4r
5 + 15r = 82 + 4r

Solving
5 + 15r = 82 + 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.
5 + 15r + -4r = 82 + 4r + -4r

Combine like terms: 15r + -4r = 11r
5 + 11r = 82 + 4r + -4r

Combine like terms: 4r + -4r = 0
5 + 11r = 82 + 0
5 + 11r = 82

Add '-5' to each side of the equation.
5 + -5 + 11r = 82 + -5

Combine like terms: 5 + -5 = 0
0 + 11r = 82 + -5
11r = 82 + -5

Combine like terms: 82 + -5 = 77
11r = 77

Divide each side by '11'.
r = 7

Simplifying
r = 7

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