-10+8r=9r

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Solution for -10+8r=9r equation:


Simplifying
-10 + 8r = 9r

Solving
-10 + 8r = 9r

Solving for variable 'r'.

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

Add '-9r' to each side of the equation.
-10 + 8r + -9r = 9r + -9r

Combine like terms: 8r + -9r = -1r
-10 + -1r = 9r + -9r

Combine like terms: 9r + -9r = 0
-10 + -1r = 0

Add '10' to each side of the equation.
-10 + 10 + -1r = 0 + 10

Combine like terms: -10 + 10 = 0
0 + -1r = 0 + 10
-1r = 0 + 10

Combine like terms: 0 + 10 = 10
-1r = 10

Divide each side by '-1'.
r = -10

Simplifying
r = -10

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