10r-8+2r=6r+7

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Solution for 10r-8+2r=6r+7 equation:


Simplifying
10r + -8 + 2r = 6r + 7

Reorder the terms:
-8 + 10r + 2r = 6r + 7

Combine like terms: 10r + 2r = 12r
-8 + 12r = 6r + 7

Reorder the terms:
-8 + 12r = 7 + 6r

Solving
-8 + 12r = 7 + 6r

Solving for variable 'r'.

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

Add '-6r' to each side of the equation.
-8 + 12r + -6r = 7 + 6r + -6r

Combine like terms: 12r + -6r = 6r
-8 + 6r = 7 + 6r + -6r

Combine like terms: 6r + -6r = 0
-8 + 6r = 7 + 0
-8 + 6r = 7

Add '8' to each side of the equation.
-8 + 8 + 6r = 7 + 8

Combine like terms: -8 + 8 = 0
0 + 6r = 7 + 8
6r = 7 + 8

Combine like terms: 7 + 8 = 15
6r = 15

Divide each side by '6'.
r = 2.5

Simplifying
r = 2.5

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