-8r+-10=-9r

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


Simplifying
-8r + -10 = -9r

Reorder the terms:
-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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