3=4-x

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Solution for 3=4-x equation: 


Simplifying
3 = 4 + -1x

Solving
3 = 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.
3 + x = 4 + -1x + x

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

Add '-3' to each side of the equation.
3 + -3 + x = 4 + -3

Combine like terms: 3 + -3 = 0
0 + x = 4 + -3
x = 4 + -3

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

Simplifying
x = 1

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