8r-12=5r+3

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


Simplifying
8r + -12 = 5r + 3

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

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

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

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

Combine like terms: 5r + -5r = 0
-12 + 3r = 3 + 0
-12 + 3r = 3

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

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

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

Divide each side by '3'.
r = 5

Simplifying
r = 5

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