9(2x+6)-(x+3)=4x-18

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Solution for 9(2x+6)-(x+3)=4x-18 equation:


Simplifying
9(2x + 6) + -1(x + 3) = 4x + -18

Reorder the terms:
9(6 + 2x) + -1(x + 3) = 4x + -18
(6 * 9 + 2x * 9) + -1(x + 3) = 4x + -18
(54 + 18x) + -1(x + 3) = 4x + -18

Reorder the terms:
54 + 18x + -1(3 + x) = 4x + -18
54 + 18x + (3 * -1 + x * -1) = 4x + -18
54 + 18x + (-3 + -1x) = 4x + -18

Reorder the terms:
54 + -3 + 18x + -1x = 4x + -18

Combine like terms: 54 + -3 = 51
51 + 18x + -1x = 4x + -18

Combine like terms: 18x + -1x = 17x
51 + 17x = 4x + -18

Reorder the terms:
51 + 17x = -18 + 4x

Solving
51 + 17x = -18 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
51 + 17x + -4x = -18 + 4x + -4x

Combine like terms: 17x + -4x = 13x
51 + 13x = -18 + 4x + -4x

Combine like terms: 4x + -4x = 0
51 + 13x = -18 + 0
51 + 13x = -18

Add '-51' to each side of the equation.
51 + -51 + 13x = -18 + -51

Combine like terms: 51 + -51 = 0
0 + 13x = -18 + -51
13x = -18 + -51

Combine like terms: -18 + -51 = -69
13x = -69

Divide each side by '13'.
x = -5.307692308

Simplifying
x = -5.307692308

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