(-x)-3=7

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Solution for (-x)-3=7 equation: 


Simplifying
(-1x) + -3 = 7

Reorder the terms:
-3 + (-1x) = 7

Solving
-3 + (-1x) = 7

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + (-1x) = 7 + 3

Combine like terms: -3 + 3 = 0
0 + (-1x) = 7 + 3
(-1x) = 7 + 3

Combine like terms: 7 + 3 = 10
(-1x) = 10

Divide each side by '-1'.
x = -10

Simplifying
x = -10

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