7r-2=-11+8r

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Solution for 7r-2=-11+8r equation:


Simplifying
7r + -2 = -11 + 8r

Reorder the terms:
-2 + 7r = -11 + 8r

Solving
-2 + 7r = -11 + 8r

Solving for variable 'r'.

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

Add '-8r' to each side of the equation.
-2 + 7r + -8r = -11 + 8r + -8r

Combine like terms: 7r + -8r = -1r
-2 + -1r = -11 + 8r + -8r

Combine like terms: 8r + -8r = 0
-2 + -1r = -11 + 0
-2 + -1r = -11

Add '2' to each side of the equation.
-2 + 2 + -1r = -11 + 2

Combine like terms: -2 + 2 = 0
0 + -1r = -11 + 2
-1r = -11 + 2

Combine like terms: -11 + 2 = -9
-1r = -9

Divide each side by '-1'.
r = 9

Simplifying
r = 9

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