9r+36=18r-18

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Solution for 9r+36=18r-18 equation:


Simplifying
9r + 36 = 18r + -18

Reorder the terms:
36 + 9r = 18r + -18

Reorder the terms:
36 + 9r = -18 + 18r

Solving
36 + 9r = -18 + 18r

Solving for variable 'r'.

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

Add '-18r' to each side of the equation.
36 + 9r + -18r = -18 + 18r + -18r

Combine like terms: 9r + -18r = -9r
36 + -9r = -18 + 18r + -18r

Combine like terms: 18r + -18r = 0
36 + -9r = -18 + 0
36 + -9r = -18

Add '-36' to each side of the equation.
36 + -36 + -9r = -18 + -36

Combine like terms: 36 + -36 = 0
0 + -9r = -18 + -36
-9r = -18 + -36

Combine like terms: -18 + -36 = -54
-9r = -54

Divide each side by '-9'.
r = 6

Simplifying
r = 6

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