4x+y=12-3x

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Solution for 4x+y=12-3x equation:


Simplifying
4x + y = 12 + -3x

Solving
4x + y = 12 + -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 + y = 12 + -3x + 3x

Combine like terms: 4x + 3x = 7x
7x + y = 12 + -3x + 3x

Combine like terms: -3x + 3x = 0
7x + y = 12 + 0
7x + y = 12

Add '-1y' to each side of the equation.
7x + y + -1y = 12 + -1y

Combine like terms: y + -1y = 0
7x + 0 = 12 + -1y
7x = 12 + -1y

Divide each side by '7'.
x = 1.714285714 + -0.1428571429y

Simplifying
x = 1.714285714 + -0.1428571429y

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