9-1=3-(x+7)

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Solution for 9-1=3-(x+7) equation:


Simplifying
9 + -1 = 3 + -1(x + 7)

Combine like terms: 9 + -1 = 8
8 = 3 + -1(x + 7)

Reorder the terms:
8 = 3 + -1(7 + x)
8 = 3 + (7 * -1 + x * -1)
8 = 3 + (-7 + -1x)

Combine like terms: 3 + -7 = -4
8 = -4 + -1x

Solving
8 = -4 + -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.
8 + x = -4 + -1x + x

Combine like terms: -1x + x = 0
8 + x = -4 + 0
8 + x = -4

Add '-8' to each side of the equation.
8 + -8 + x = -4 + -8

Combine like terms: 8 + -8 = 0
0 + x = -4 + -8
x = -4 + -8

Combine like terms: -4 + -8 = -12
x = -12

Simplifying
x = -12

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