x+2x=3+7x

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


Simplifying
x + 2x = 3 + 7x

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

Solving
3x = 3 + 7x

Solving for variable 'x'.

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

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

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

Combine like terms: 7x + -7x = 0
-4x = 3 + 0
-4x = 3

Divide each side by '-4'.
x = -0.75

Simplifying
x = -0.75

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