9r+7-8r=24

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Solution for 9r+7-8r=24 equation:


Simplifying
9r + 7 + -8r = 24

Reorder the terms:
7 + 9r + -8r = 24

Combine like terms: 9r + -8r = 1r
7 + 1r = 24

Solving
7 + 1r = 24

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 = 24 + -7

Combine like terms: 7 + -7 = 0
0 + 1r = 24 + -7
1r = 24 + -7

Combine like terms: 24 + -7 = 17
1r = 17

Divide each side by '1'.
r = 17

Simplifying
r = 17

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