4-x=15

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Solution for 4-x=15 equation: 


Simplifying
4 + -1x = 15

Solving
4 + -1x = 15

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + -1x = 15 + -4

Combine like terms: 4 + -4 = 0
0 + -1x = 15 + -4
-1x = 15 + -4

Combine like terms: 15 + -4 = 11
-1x = 11

Divide each side by '-1'.
x = -11

Simplifying
x = -11

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