3(x-1)-18=2(x-1)-6

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Solution for 3(x-1)-18=2(x-1)-6 equation:


Simplifying
3(x + -1) + -18 = 2(x + -1) + -6

Reorder the terms:
3(-1 + x) + -18 = 2(x + -1) + -6
(-1 * 3 + x * 3) + -18 = 2(x + -1) + -6
(-3 + 3x) + -18 = 2(x + -1) + -6

Reorder the terms:
-3 + -18 + 3x = 2(x + -1) + -6

Combine like terms: -3 + -18 = -21
-21 + 3x = 2(x + -1) + -6

Reorder the terms:
-21 + 3x = 2(-1 + x) + -6
-21 + 3x = (-1 * 2 + x * 2) + -6
-21 + 3x = (-2 + 2x) + -6

Reorder the terms:
-21 + 3x = -2 + -6 + 2x

Combine like terms: -2 + -6 = -8
-21 + 3x = -8 + 2x

Solving
-21 + 3x = -8 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-21 + 3x + -2x = -8 + 2x + -2x

Combine like terms: 3x + -2x = 1x
-21 + 1x = -8 + 2x + -2x

Combine like terms: 2x + -2x = 0
-21 + 1x = -8 + 0
-21 + 1x = -8

Add '21' to each side of the equation.
-21 + 21 + 1x = -8 + 21

Combine like terms: -21 + 21 = 0
0 + 1x = -8 + 21
1x = -8 + 21

Combine like terms: -8 + 21 = 13
1x = 13

Divide each side by '1'.
x = 13

Simplifying
x = 13

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