3(3r-3)=-1+r

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Solution for 3(3r-3)=-1+r equation:


Simplifying
3(3r + -3) = -1 + r

Reorder the terms:
3(-3 + 3r) = -1 + r
(-3 * 3 + 3r * 3) = -1 + r
(-9 + 9r) = -1 + r

Solving
-9 + 9r = -1 + r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
-9 + 9r + -1r = -1 + r + -1r

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

Combine like terms: r + -1r = 0
-9 + 8r = -1 + 0
-9 + 8r = -1

Add '9' to each side of the equation.
-9 + 9 + 8r = -1 + 9

Combine like terms: -9 + 9 = 0
0 + 8r = -1 + 9
8r = -1 + 9

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

Divide each side by '8'.
r = 1

Simplifying
r = 1

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