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

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


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

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

Reorder the terms:
-18 + -1x = 4(4 + 3x) + 5
-18 + -1x = (4 * 4 + 3x * 4) + 5
-18 + -1x = (16 + 12x) + 5

Reorder the terms:
-18 + -1x = 16 + 5 + 12x

Combine like terms: 16 + 5 = 21
-18 + -1x = 21 + 12x

Solving
-18 + -1x = 21 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
-18 + -1x + -12x = 21 + 12x + -12x

Combine like terms: -1x + -12x = -13x
-18 + -13x = 21 + 12x + -12x

Combine like terms: 12x + -12x = 0
-18 + -13x = 21 + 0
-18 + -13x = 21

Add '18' to each side of the equation.
-18 + 18 + -13x = 21 + 18

Combine like terms: -18 + 18 = 0
0 + -13x = 21 + 18
-13x = 21 + 18

Combine like terms: 21 + 18 = 39
-13x = 39

Divide each side by '-13'.
x = -3

Simplifying
x = -3

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