-5-8r=-9r

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Solution for -5-8r=-9r equation:


Simplifying
-5 + -8r = -9r

Solving
-5 + -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.
-5 + -8r + 9r = -9r + 9r

Combine like terms: -8r + 9r = 1r
-5 + 1r = -9r + 9r

Combine like terms: -9r + 9r = 0
-5 + 1r = 0

Add '5' to each side of the equation.
-5 + 5 + 1r = 0 + 5

Combine like terms: -5 + 5 = 0
0 + 1r = 0 + 5
1r = 0 + 5

Combine like terms: 0 + 5 = 5
1r = 5

Divide each side by '1'.
r = 5

Simplifying
r = 5

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