5x-7y-2z=-9

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


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

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

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

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

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

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

Divide each side by '5'.
x = -1.8 + 1.4y + 0.4z

Simplifying
x = -1.8 + 1.4y + 0.4z

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