8=7-[x]

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Solution for 8=7-[x] equation:


Simplifying
8 = 7 + -1[x]

Solving
8 = 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.
8 + x = 7 + -1x + x

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

Add '-8' to each side of the equation.
8 + -8 + x = 7 + -8

Combine like terms: 8 + -8 = 0
0 + x = 7 + -8
x = 7 + -8

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

Simplifying
x = -1

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