4x+7y-z=5

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Solution for 4x+7y-z=5 equation:


Simplifying
4x + 7y + -1z = 5

Solving
4x + 7y + -1z = 5

Solving for variable 'x'.

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

Add '-7y' to each side of the equation.
4x + 7y + -7y + -1z = 5 + -7y

Combine like terms: 7y + -7y = 0
4x + 0 + -1z = 5 + -7y
4x + -1z = 5 + -7y

Add 'z' to each side of the equation.
4x + -1z + z = 5 + -7y + z

Combine like terms: -1z + z = 0
4x + 0 = 5 + -7y + z
4x = 5 + -7y + z

Divide each side by '4'.
x = 1.25 + -1.75y + 0.25z

Simplifying
x = 1.25 + -1.75y + 0.25z

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