10r-12=15r-2

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Solution for 10r-12=15r-2 equation:


Simplifying
10r + -12 = 15r + -2

Reorder the terms:
-12 + 10r = 15r + -2

Reorder the terms:
-12 + 10r = -2 + 15r

Solving
-12 + 10r = -2 + 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.
-12 + 10r + -15r = -2 + 15r + -15r

Combine like terms: 10r + -15r = -5r
-12 + -5r = -2 + 15r + -15r

Combine like terms: 15r + -15r = 0
-12 + -5r = -2 + 0
-12 + -5r = -2

Add '12' to each side of the equation.
-12 + 12 + -5r = -2 + 12

Combine like terms: -12 + 12 = 0
0 + -5r = -2 + 12
-5r = -2 + 12

Combine like terms: -2 + 12 = 10
-5r = 10

Divide each side by '-5'.
r = -2

Simplifying
r = -2

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