-x=3-4x+15

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Solution for -x=3-4x+15 equation:


Simplifying
-1x = 3 + -4x + 15

Reorder the terms:
-1x = 3 + 15 + -4x

Combine like terms: 3 + 15 = 18
-1x = 18 + -4x

Solving
-1x = 18 + -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.
-1x + 4x = 18 + -4x + 4x

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

Combine like terms: -4x + 4x = 0
3x = 18 + 0
3x = 18

Divide each side by '3'.
x = 6

Simplifying
x = 6

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