2(r-8)+3=3(r+2)-18

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Solution for 2(r-8)+3=3(r+2)-18 equation:


Simplifying
2(r + -8) + 3 = 3(r + 2) + -18

Reorder the terms:
2(-8 + r) + 3 = 3(r + 2) + -18
(-8 * 2 + r * 2) + 3 = 3(r + 2) + -18
(-16 + 2r) + 3 = 3(r + 2) + -18

Reorder the terms:
-16 + 3 + 2r = 3(r + 2) + -18

Combine like terms: -16 + 3 = -13
-13 + 2r = 3(r + 2) + -18

Reorder the terms:
-13 + 2r = 3(2 + r) + -18
-13 + 2r = (2 * 3 + r * 3) + -18
-13 + 2r = (6 + 3r) + -18

Reorder the terms:
-13 + 2r = 6 + -18 + 3r

Combine like terms: 6 + -18 = -12
-13 + 2r = -12 + 3r

Solving
-13 + 2r = -12 + 3r

Solving for variable 'r'.

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

Add '-3r' to each side of the equation.
-13 + 2r + -3r = -12 + 3r + -3r

Combine like terms: 2r + -3r = -1r
-13 + -1r = -12 + 3r + -3r

Combine like terms: 3r + -3r = 0
-13 + -1r = -12 + 0
-13 + -1r = -12

Add '13' to each side of the equation.
-13 + 13 + -1r = -12 + 13

Combine like terms: -13 + 13 = 0
0 + -1r = -12 + 13
-1r = -12 + 13

Combine like terms: -12 + 13 = 1
-1r = 1

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

Simplifying
r = -1

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