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

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


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

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

Reorder the terms:
-3 + 2x + -1x = 4x + 18

Combine like terms: 2x + -1x = 1x
-3 + 1x = 4x + 18

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

Solving
-3 + 1x = 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.
-3 + 1x + -4x = 18 + 4x + -4x

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

Combine like terms: 4x + -4x = 0
-3 + -3x = 18 + 0
-3 + -3x = 18

Add '3' to each side of the equation.
-3 + 3 + -3x = 18 + 3

Combine like terms: -3 + 3 = 0
0 + -3x = 18 + 3
-3x = 18 + 3

Combine like terms: 18 + 3 = 21
-3x = 21

Divide each side by '-3'.
x = -7

Simplifying
x = -7

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