-3r-8=-5r+12

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Solution for -3r-8=-5r+12 equation:


Simplifying
-3r + -8 = -5r + 12

Reorder the terms:
-8 + -3r = -5r + 12

Reorder the terms:
-8 + -3r = 12 + -5r

Solving
-8 + -3r = 12 + -5r

Solving for variable 'r'.

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

Add '5r' to each side of the equation.
-8 + -3r + 5r = 12 + -5r + 5r

Combine like terms: -3r + 5r = 2r
-8 + 2r = 12 + -5r + 5r

Combine like terms: -5r + 5r = 0
-8 + 2r = 12 + 0
-8 + 2r = 12

Add '8' to each side of the equation.
-8 + 8 + 2r = 12 + 8

Combine like terms: -8 + 8 = 0
0 + 2r = 12 + 8
2r = 12 + 8

Combine like terms: 12 + 8 = 20
2r = 20

Divide each side by '2'.
r = 10

Simplifying
r = 10

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