18-x-4=9+x+3

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Solution for 18-x-4=9+x+3 equation:


Simplifying
18 + -1x + -4 = 9 + x + 3

Reorder the terms:
18 + -4 + -1x = 9 + x + 3

Combine like terms: 18 + -4 = 14
14 + -1x = 9 + x + 3

Reorder the terms:
14 + -1x = 9 + 3 + x

Combine like terms: 9 + 3 = 12
14 + -1x = 12 + x

Solving
14 + -1x = 12 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
14 + -1x + -1x = 12 + x + -1x

Combine like terms: -1x + -1x = -2x
14 + -2x = 12 + x + -1x

Combine like terms: x + -1x = 0
14 + -2x = 12 + 0
14 + -2x = 12

Add '-14' to each side of the equation.
14 + -14 + -2x = 12 + -14

Combine like terms: 14 + -14 = 0
0 + -2x = 12 + -14
-2x = 12 + -14

Combine like terms: 12 + -14 = -2
-2x = -2

Divide each side by '-2'.
x = 1

Simplifying
x = 1

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