7+15r-4=5r+27-2r

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Solution for 7+15r-4=5r+27-2r equation:


Simplifying
7 + 15r + -4 = 5r + 27 + -2r

Reorder the terms:
7 + -4 + 15r = 5r + 27 + -2r

Combine like terms: 7 + -4 = 3
3 + 15r = 5r + 27 + -2r

Reorder the terms:
3 + 15r = 27 + 5r + -2r

Combine like terms: 5r + -2r = 3r
3 + 15r = 27 + 3r

Solving
3 + 15r = 27 + 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.
3 + 15r + -3r = 27 + 3r + -3r

Combine like terms: 15r + -3r = 12r
3 + 12r = 27 + 3r + -3r

Combine like terms: 3r + -3r = 0
3 + 12r = 27 + 0
3 + 12r = 27

Add '-3' to each side of the equation.
3 + -3 + 12r = 27 + -3

Combine like terms: 3 + -3 = 0
0 + 12r = 27 + -3
12r = 27 + -3

Combine like terms: 27 + -3 = 24
12r = 24

Divide each side by '12'.
r = 2

Simplifying
r = 2

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