-3=-(x+7)

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


Simplifying
-3 = -1(x + 7)

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

Solving
-3 = -7 + -1x

Solving for variable 'x'.

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

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

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

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

Combine like terms: -3 + 3 = 0
0 + x = -7 + 3
x = -7 + 3

Combine like terms: -7 + 3 = -4
x = -4

Simplifying
x = -4

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