8r+12=5r-1

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Solution for 8r+12=5r-1 equation:


Simplifying
8r + 12 = 5r + -1

Reorder the terms:
12 + 8r = 5r + -1

Reorder the terms:
12 + 8r = -1 + 5r

Solving
12 + 8r = -1 + 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 = -1 + 5r + -5r

Combine like terms: 8r + -5r = 3r
12 + 3r = -1 + 5r + -5r

Combine like terms: 5r + -5r = 0
12 + 3r = -1 + 0
12 + 3r = -1

Add '-12' to each side of the equation.
12 + -12 + 3r = -1 + -12

Combine like terms: 12 + -12 = 0
0 + 3r = -1 + -12
3r = -1 + -12

Combine like terms: -1 + -12 = -13
3r = -13

Divide each side by '3'.
r = -4.333333333

Simplifying
r = -4.333333333

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