3x+x=2x+7

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Solution for 3x+x=2x+7 equation: 


Simplifying
3x + x = 2x + 7

Combine like terms: 3x + x = 4x
4x = 2x + 7

Reorder the terms:
4x = 7 + 2x

Solving
4x = 7 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
4x + -2x = 7 + 2x + -2x

Combine like terms: 4x + -2x = 2x
2x = 7 + 2x + -2x

Combine like terms: 2x + -2x = 0
2x = 7 + 0
2x = 7

Divide each side by '2'.
x = 3.5

Simplifying
x = 3.5

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