8=3+x-4

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Solution for 8=3+x-4 equation:


Simplifying
8 = 3 + x + -4

Reorder the terms:
8 = 3 + -4 + x

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

Solving
8 = -1 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
8 + -1x = -1 + x + -1x

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

Add '-8' to each side of the equation.
8 + -8 + -1x = -1 + -8

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

Combine like terms: -1 + -8 = -9
-1x = -9

Divide each side by '-1'.
x = 9

Simplifying
x = 9

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