-9-9r+7=6-10r

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Solution for -9-9r+7=6-10r equation:


Simplifying
-9 + -9r + 7 = 6 + -10r

Reorder the terms:
-9 + 7 + -9r = 6 + -10r

Combine like terms: -9 + 7 = -2
-2 + -9r = 6 + -10r

Solving
-2 + -9r = 6 + -10r

Solving for variable 'r'.

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

Add '10r' to each side of the equation.
-2 + -9r + 10r = 6 + -10r + 10r

Combine like terms: -9r + 10r = 1r
-2 + 1r = 6 + -10r + 10r

Combine like terms: -10r + 10r = 0
-2 + 1r = 6 + 0
-2 + 1r = 6

Add '2' to each side of the equation.
-2 + 2 + 1r = 6 + 2

Combine like terms: -2 + 2 = 0
0 + 1r = 6 + 2
1r = 6 + 2

Combine like terms: 6 + 2 = 8
1r = 8

Divide each side by '1'.
r = 8

Simplifying
r = 8

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