-15-4=x

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Solution for -15-4=x equation:


Simplifying
-15 + -4 = x

Combine like terms: -15 + -4 = -19
-19 = x

Solving
-19 = 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.
-19 + -1x = x + -1x

Combine like terms: x + -1x = 0
-19 + -1x = 0

Add '19' to each side of the equation.
-19 + 19 + -1x = 0 + 19

Combine like terms: -19 + 19 = 0
0 + -1x = 0 + 19
-1x = 0 + 19

Combine like terms: 0 + 19 = 19
-1x = 19

Divide each side by '-1'.
x = -19

Simplifying
x = -19

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