4+2X-X=7

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Solution for 4+2X-X=7 equation:


Simplifying
4 + 2X + -1X = 7

Combine like terms: 2X + -1X = 1X
4 + 1X = 7

Solving
4 + 1X = 7

Solving for variable 'X'.

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

Add '-4' to each side of the equation.
4 + -4 + 1X = 7 + -4

Combine like terms: 4 + -4 = 0
0 + 1X = 7 + -4
1X = 7 + -4

Combine like terms: 7 + -4 = 3
1X = 3

Divide each side by '1'.
X = 3

Simplifying
X = 3

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