-6r+7r+7=18

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Solution for -6r+7r+7=18 equation:


Simplifying
-6r + 7r + 7 = 18

Reorder the terms:
7 + -6r + 7r = 18

Combine like terms: -6r + 7r = 1r
7 + 1r = 18

Solving
7 + 1r = 18

Solving for variable 'r'.

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

Add '-7' to each side of the equation.
7 + -7 + 1r = 18 + -7

Combine like terms: 7 + -7 = 0
0 + 1r = 18 + -7
1r = 18 + -7

Combine like terms: 18 + -7 = 11
1r = 11

Divide each side by '1'.
r = 11

Simplifying
r = 11

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