-3x-y+3z=-7

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


Simplifying
-3x + -1y + 3z = -7

Solving
-3x + -1y + 3z = -7

Solving for variable 'x'.

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

Add 'y' to each side of the equation.
-3x + -1y + y + 3z = -7 + y

Combine like terms: -1y + y = 0
-3x + 0 + 3z = -7 + y
-3x + 3z = -7 + y

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

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

Divide each side by '-3'.
x = 2.333333333 + -0.3333333333y + z

Simplifying
x = 2.333333333 + -0.3333333333y + z

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