8+X=4-X

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Solution for 8+X=4-X equation:


Simplifying
8 + X = 4 + -1X

Solving
8 + X = 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 + X = 4 + -1X + X

Combine like terms: X + X = 2X
8 + 2X = 4 + -1X + X

Combine like terms: -1X + X = 0
8 + 2X = 4 + 0
8 + 2X = 4

Add '-8' to each side of the equation.
8 + -8 + 2X = 4 + -8

Combine like terms: 8 + -8 = 0
0 + 2X = 4 + -8
2X = 4 + -8

Combine like terms: 4 + -8 = -4
2X = -4

Divide each side by '2'.
X = -2

Simplifying
X = -2

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