-5+5r=15r+3+12

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Solution for -5+5r=15r+3+12 equation:


Simplifying
-5 + 5r = 15r + 3 + 12

Reorder the terms:
-5 + 5r = 3 + 12 + 15r

Combine like terms: 3 + 12 = 15
-5 + 5r = 15 + 15r

Solving
-5 + 5r = 15 + 15r

Solving for variable 'r'.

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

Add '-15r' to each side of the equation.
-5 + 5r + -15r = 15 + 15r + -15r

Combine like terms: 5r + -15r = -10r
-5 + -10r = 15 + 15r + -15r

Combine like terms: 15r + -15r = 0
-5 + -10r = 15 + 0
-5 + -10r = 15

Add '5' to each side of the equation.
-5 + 5 + -10r = 15 + 5

Combine like terms: -5 + 5 = 0
0 + -10r = 15 + 5
-10r = 15 + 5

Combine like terms: 15 + 5 = 20
-10r = 20

Divide each side by '-10'.
r = -2

Simplifying
r = -2

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