2x+5y-z=-7

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Solution for 2x+5y-z=-7 equation:


Simplifying
2x + 5y + -1z = -7

Solving
2x + 5y + -1z = -7

Solving for variable 'x'.

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

Add '-5y' to each side of the equation.
2x + 5y + -5y + -1z = -7 + -5y

Combine like terms: 5y + -5y = 0
2x + 0 + -1z = -7 + -5y
2x + -1z = -7 + -5y

Add 'z' to each side of the equation.
2x + -1z + z = -7 + -5y + z

Combine like terms: -1z + z = 0
2x + 0 = -7 + -5y + z
2x = -7 + -5y + z

Divide each side by '2'.
x = -3.5 + -2.5y + 0.5z

Simplifying
x = -3.5 + -2.5y + 0.5z

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