x-40=-47

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Solution for x-40=-47 equation: 


Simplifying
x + -40 = -47

Reorder the terms:
-40 + x = -47

Solving
-40 + x = -47

Solving for variable 'x'.

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

Add '40' to each side of the equation.
-40 + 40 + x = -47 + 40

Combine like terms: -40 + 40 = 0
0 + x = -47 + 40
x = -47 + 40

Combine like terms: -47 + 40 = -7
x = -7

Simplifying
x = -7

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