18=3-(x+4)

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


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

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

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

Solving
18 = -1 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
18 + x = -1 + -1x + x

Combine like terms: -1x + x = 0
18 + x = -1 + 0
18 + x = -1

Add '-18' to each side of the equation.
18 + -18 + x = -1 + -18

Combine like terms: 18 + -18 = 0
0 + x = -1 + -18
x = -1 + -18

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

Simplifying
x = -19

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