-3(r-4)+3=-2r+18

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Solution for -3(r-4)+3=-2r+18 equation:


Simplifying
-3(r + -4) + 3 = -2r + 18

Reorder the terms:
-3(-4 + r) + 3 = -2r + 18
(-4 * -3 + r * -3) + 3 = -2r + 18
(12 + -3r) + 3 = -2r + 18

Reorder the terms:
12 + 3 + -3r = -2r + 18

Combine like terms: 12 + 3 = 15
15 + -3r = -2r + 18

Reorder the terms:
15 + -3r = 18 + -2r

Solving
15 + -3r = 18 + -2r

Solving for variable 'r'.

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

Add '2r' to each side of the equation.
15 + -3r + 2r = 18 + -2r + 2r

Combine like terms: -3r + 2r = -1r
15 + -1r = 18 + -2r + 2r

Combine like terms: -2r + 2r = 0
15 + -1r = 18 + 0
15 + -1r = 18

Add '-15' to each side of the equation.
15 + -15 + -1r = 18 + -15

Combine like terms: 15 + -15 = 0
0 + -1r = 18 + -15
-1r = 18 + -15

Combine like terms: 18 + -15 = 3
-1r = 3

Divide each side by '-1'.
r = -3

Simplifying
r = -3

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