3x+x=7-3x

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Solution for 3x+x=7-3x equation:


Simplifying
3x + x = 7 + -3x

Combine like terms: 3x + x = 4x
4x = 7 + -3x

Solving
4x = 7 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
4x + 3x = 7 + -3x + 3x

Combine like terms: 4x + 3x = 7x
7x = 7 + -3x + 3x

Combine like terms: -3x + 3x = 0
7x = 7 + 0
7x = 7

Divide each side by '7'.
x = 1

Simplifying
x = 1

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