4x-12-3x+7(2x)-7=18

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Solution for 4x-12-3x+7(2x)-7=18 equation:


Simplifying
4x + -12 + -3x + 7(2x) + -7 = 18

Remove parenthesis around (2x)
4x + -12 + -3x + 7 * 2x + -7 = 18

Multiply 7 * 2
4x + -12 + -3x + 14x + -7 = 18

Reorder the terms:
-12 + -7 + 4x + -3x + 14x = 18

Combine like terms: -12 + -7 = -19
-19 + 4x + -3x + 14x = 18

Combine like terms: 4x + -3x = 1x
-19 + 1x + 14x = 18

Combine like terms: 1x + 14x = 15x
-19 + 15x = 18

Solving
-19 + 15x = 18

Solving for variable 'x'.

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

Add '19' to each side of the equation.
-19 + 19 + 15x = 18 + 19

Combine like terms: -19 + 19 = 0
0 + 15x = 18 + 19
15x = 18 + 19

Combine like terms: 18 + 19 = 37
15x = 37

Divide each side by '15'.
x = 2.466666667

Simplifying
x = 2.466666667

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