8r+4=5r+12

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Solution for 8r+4=5r+12 equation:


Simplifying
8r + 4 = 5r + 12

Reorder the terms:
4 + 8r = 5r + 12

Reorder the terms:
4 + 8r = 12 + 5r

Solving
4 + 8r = 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.
4 + 8r + -5r = 12 + 5r + -5r

Combine like terms: 8r + -5r = 3r
4 + 3r = 12 + 5r + -5r

Combine like terms: 5r + -5r = 0
4 + 3r = 12 + 0
4 + 3r = 12

Add '-4' to each side of the equation.
4 + -4 + 3r = 12 + -4

Combine like terms: 4 + -4 = 0
0 + 3r = 12 + -4
3r = 12 + -4

Combine like terms: 12 + -4 = 8
3r = 8

Divide each side by '3'.
r = 2.666666667

Simplifying
r = 2.666666667

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