9r-10=18+5r

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Solution for 9r-10=18+5r equation:


Simplifying
9r + -10 = 18 + 5r

Reorder the terms:
-10 + 9r = 18 + 5r

Solving
-10 + 9r = 18 + 5r

Solving for variable 'r'.

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

Add '-5r' to each side of the equation.
-10 + 9r + -5r = 18 + 5r + -5r

Combine like terms: 9r + -5r = 4r
-10 + 4r = 18 + 5r + -5r

Combine like terms: 5r + -5r = 0
-10 + 4r = 18 + 0
-10 + 4r = 18

Add '10' to each side of the equation.
-10 + 10 + 4r = 18 + 10

Combine like terms: -10 + 10 = 0
0 + 4r = 18 + 10
4r = 18 + 10

Combine like terms: 18 + 10 = 28
4r = 28

Divide each side by '4'.
r = 7

Simplifying
r = 7

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