3x+5y-7z=13

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Solution for 3x+5y-7z=13 equation:


Simplifying
3x + 5y + -7z = 13

Solving
3x + 5y + -7z = 13

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.
3x + 5y + -5y + -7z = 13 + -5y

Combine like terms: 5y + -5y = 0
3x + 0 + -7z = 13 + -5y
3x + -7z = 13 + -5y

Add '7z' to each side of the equation.
3x + -7z + 7z = 13 + -5y + 7z

Combine like terms: -7z + 7z = 0
3x + 0 = 13 + -5y + 7z
3x = 13 + -5y + 7z

Divide each side by '3'.
x = 4.333333333 + -1.666666667y + 2.333333333z

Simplifying
x = 4.333333333 + -1.666666667y + 2.333333333z

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