18-3x=4[x+8]

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Solution for 18-3x=4[x+8] equation:


Simplifying
18 + -3x = 4[x + 8]

Reorder the terms:
18 + -3x = 4[8 + x]
18 + -3x = [8 * 4 + x * 4]
18 + -3x = [32 + 4x]

Solving
18 + -3x = 32 + 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.
18 + -3x + -4x = 32 + 4x + -4x

Combine like terms: -3x + -4x = -7x
18 + -7x = 32 + 4x + -4x

Combine like terms: 4x + -4x = 0
18 + -7x = 32 + 0
18 + -7x = 32

Add '-18' to each side of the equation.
18 + -18 + -7x = 32 + -18

Combine like terms: 18 + -18 = 0
0 + -7x = 32 + -18
-7x = 32 + -18

Combine like terms: 32 + -18 = 14
-7x = 14

Divide each side by '-7'.
x = -2

Simplifying
x = -2

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