6-9r+7r=

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


Simplifying
6 + -9r + 7r = 0

Combine like terms: -9r + 7r = -2r
6 + -2r = 0

Solving
6 + -2r = 0

Solving for variable 'r'.

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

Add '-6' to each side of the equation.
6 + -6 + -2r = 0 + -6

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

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

Divide each side by '-2'.
r = 3

Simplifying
r = 3

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