-8r+7+9r=26

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Solution for -8r+7+9r=26 equation:


Simplifying
-8r + 7 + 9r = 26

Reorder the terms:
7 + -8r + 9r = 26

Combine like terms: -8r + 9r = 1r
7 + 1r = 26

Solving
7 + 1r = 26

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 = 26 + -7

Combine like terms: 7 + -7 = 0
0 + 1r = 26 + -7
1r = 26 + -7

Combine like terms: 26 + -7 = 19
1r = 19

Divide each side by '1'.
r = 19

Simplifying
r = 19

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