3x+4y+7z=12

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Solution for 3x+4y+7z=12 equation: 


Simplifying
3x + 4y + 7z = 12

Solving
3x + 4y + 7z = 12

Solving for variable 'x'.

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

Add '-4y' to each side of the equation.
3x + 4y + -4y + 7z = 12 + -4y

Combine like terms: 4y + -4y = 0
3x + 0 + 7z = 12 + -4y
3x + 7z = 12 + -4y

Add '-7z' to each side of the equation.
3x + 7z + -7z = 12 + -4y + -7z

Combine like terms: 7z + -7z = 0
3x + 0 = 12 + -4y + -7z
3x = 12 + -4y + -7z

Divide each side by '3'.
x = 4 + -1.333333333y + -2.333333333z

Simplifying
x = 4 + -1.333333333y + -2.333333333z

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