2x+5y-7z=9

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Solution for 2x+5y-7z=9 equation:


Simplifying
2x + 5y + -7z = 9

Solving
2x + 5y + -7z = 9

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 + -7z = 9 + -5y

Combine like terms: 5y + -5y = 0
2x + 0 + -7z = 9 + -5y
2x + -7z = 9 + -5y

Add '7z' to each side of the equation.
2x + -7z + 7z = 9 + -5y + 7z

Combine like terms: -7z + 7z = 0
2x + 0 = 9 + -5y + 7z
2x = 9 + -5y + 7z

Divide each side by '2'.
x = 4.5 + -2.5y + 3.5z

Simplifying
x = 4.5 + -2.5y + 3.5z

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