-42-(-4)=x

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Solution for -42-(-4)=x equation:


Simplifying
-42 + -1(-4) = x

Multiply -1 * -4
-42 + 4 = x

Combine like terms: -42 + 4 = -38
-38 = x

Solving
-38 = 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.
-38 + -1x = x + -1x

Combine like terms: x + -1x = 0
-38 + -1x = 0

Add '38' to each side of the equation.
-38 + 38 + -1x = 0 + 38

Combine like terms: -38 + 38 = 0
0 + -1x = 0 + 38
-1x = 0 + 38

Combine like terms: 0 + 38 = 38
-1x = 38

Divide each side by '-1'.
x = -38

Simplifying
x = -38

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