4z-7z=-9z-9-9z

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Solution for 4z-7z=-9z-9-9z equation:


Simplifying
4z + -7z = -9z + -9 + -9z

Combine like terms: 4z + -7z = -3z
-3z = -9z + -9 + -9z

Reorder the terms:
-3z = -9 + -9z + -9z

Combine like terms: -9z + -9z = -18z
-3z = -9 + -18z

Solving
-3z = -9 + -18z

Solving for variable 'z'.

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

Add '18z' to each side of the equation.
-3z + 18z = -9 + -18z + 18z

Combine like terms: -3z + 18z = 15z
15z = -9 + -18z + 18z

Combine like terms: -18z + 18z = 0
15z = -9 + 0
15z = -9

Divide each side by '15'.
z = -0.6

Simplifying
z = -0.6

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