3(r-3)=-17+r

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Solution for 3(r-3)=-17+r equation:


Simplifying
3(r + -3) = -17 + r

Reorder the terms:
3(-3 + r) = -17 + r
(-3 * 3 + r * 3) = -17 + r
(-9 + 3r) = -17 + r

Solving
-9 + 3r = -17 + 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 + 3r + -1r = -17 + r + -1r

Combine like terms: 3r + -1r = 2r
-9 + 2r = -17 + r + -1r

Combine like terms: r + -1r = 0
-9 + 2r = -17 + 0
-9 + 2r = -17

Add '9' to each side of the equation.
-9 + 9 + 2r = -17 + 9

Combine like terms: -9 + 9 = 0
0 + 2r = -17 + 9
2r = -17 + 9

Combine like terms: -17 + 9 = -8
2r = -8

Divide each side by '2'.
r = -4

Simplifying
r = -4

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