5+15r-3=7r+79-3r

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Solution for 5+15r-3=7r+79-3r equation:


Simplifying
5 + 15r + -3 = 7r + 79 + -3r

Reorder the terms:
5 + -3 + 15r = 7r + 79 + -3r

Combine like terms: 5 + -3 = 2
2 + 15r = 7r + 79 + -3r

Reorder the terms:
2 + 15r = 79 + 7r + -3r

Combine like terms: 7r + -3r = 4r
2 + 15r = 79 + 4r

Solving
2 + 15r = 79 + 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.
2 + 15r + -4r = 79 + 4r + -4r

Combine like terms: 15r + -4r = 11r
2 + 11r = 79 + 4r + -4r

Combine like terms: 4r + -4r = 0
2 + 11r = 79 + 0
2 + 11r = 79

Add '-2' to each side of the equation.
2 + -2 + 11r = 79 + -2

Combine like terms: 2 + -2 = 0
0 + 11r = 79 + -2
11r = 79 + -2

Combine like terms: 79 + -2 = 77
11r = 77

Divide each side by '11'.
r = 7

Simplifying
r = 7

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