18-(x+3)-2x=4(x-5)

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Solution for 18-(x+3)-2x=4(x-5) equation: 


Simplifying
18 + -1(x + 3) + -2x = 4(x + -5)

Reorder the terms:
18 + -1(3 + x) + -2x = 4(x + -5)
18 + (3 * -1 + x * -1) + -2x = 4(x + -5)
18 + (-3 + -1x) + -2x = 4(x + -5)

Combine like terms: 18 + -3 = 15
15 + -1x + -2x = 4(x + -5)

Combine like terms: -1x + -2x = -3x
15 + -3x = 4(x + -5)

Reorder the terms:
15 + -3x = 4(-5 + x)
15 + -3x = (-5 * 4 + x * 4)
15 + -3x = (-20 + 4x)

Solving
15 + -3x = -20 + 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.
15 + -3x + -4x = -20 + 4x + -4x

Combine like terms: -3x + -4x = -7x
15 + -7x = -20 + 4x + -4x

Combine like terms: 4x + -4x = 0
15 + -7x = -20 + 0
15 + -7x = -20

Add '-15' to each side of the equation.
15 + -15 + -7x = -20 + -15

Combine like terms: 15 + -15 = 0
0 + -7x = -20 + -15
-7x = -20 + -15

Combine like terms: -20 + -15 = -35
-7x = -35

Divide each side by '-7'.
x = 5

Simplifying
x = 5

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