8r-5=2r+7

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Solution for 8r-5=2r+7 equation:


Simplifying
8r + -5 = 2r + 7

Reorder the terms:
-5 + 8r = 2r + 7

Reorder the terms:
-5 + 8r = 7 + 2r

Solving
-5 + 8r = 7 + 2r

Solving for variable 'r'.

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

Add '-2r' to each side of the equation.
-5 + 8r + -2r = 7 + 2r + -2r

Combine like terms: 8r + -2r = 6r
-5 + 6r = 7 + 2r + -2r

Combine like terms: 2r + -2r = 0
-5 + 6r = 7 + 0
-5 + 6r = 7

Add '5' to each side of the equation.
-5 + 5 + 6r = 7 + 5

Combine like terms: -5 + 5 = 0
0 + 6r = 7 + 5
6r = 7 + 5

Combine like terms: 7 + 5 = 12
6r = 12

Divide each side by '6'.
r = 2

Simplifying
r = 2

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