9=40z-8

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Solution for 9=40z-8 equation:


Simplifying
9 = 40z + -8

Reorder the terms:
9 = -8 + 40z

Solving
9 = -8 + 40z

Solving for variable 'z'.

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

Add '-40z' to each side of the equation.
9 + -40z = -8 + 40z + -40z

Combine like terms: 40z + -40z = 0
9 + -40z = -8 + 0
9 + -40z = -8

Add '-9' to each side of the equation.
9 + -9 + -40z = -8 + -9

Combine like terms: 9 + -9 = 0
0 + -40z = -8 + -9
-40z = -8 + -9

Combine like terms: -8 + -9 = -17
-40z = -17

Divide each side by '-40'.
z = 0.425

Simplifying
z = 0.425

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