8r-7=-2+7r

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


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

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

Solving
-7 + 8r = -2 + 7r

Solving for variable 'r'.

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

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

Combine like terms: 8r + -7r = 1r
-7 + 1r = -2 + 7r + -7r

Combine like terms: 7r + -7r = 0
-7 + 1r = -2 + 0
-7 + 1r = -2

Add '7' to each side of the equation.
-7 + 7 + 1r = -2 + 7

Combine like terms: -7 + 7 = 0
0 + 1r = -2 + 7
1r = -2 + 7

Combine like terms: -2 + 7 = 5
1r = 5

Divide each side by '1'.
r = 5

Simplifying
r = 5

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