3x+1-x-1=4

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Solution for 3x+1-x-1=4 equation: 


Simplifying
3x + 1 + -1x + -1 = 4

Reorder the terms:
1 + -1 + 3x + -1x = 4

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

Combine like terms: 3x + -1x = 2x
2x = 4

Solving
2x = 4

Solving for variable 'x'.

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

Divide each side by '2'.
x = 2

Simplifying
x = 2

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