-4-9z=-8z

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Solution for -4-9z=-8z equation:


Simplifying
-4 + -9z = -8z

Solving
-4 + -9z = -8z

Solving for variable 'z'.

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

Add '8z' to each side of the equation.
-4 + -9z + 8z = -8z + 8z

Combine like terms: -9z + 8z = -1z
-4 + -1z = -8z + 8z

Combine like terms: -8z + 8z = 0
-4 + -1z = 0

Add '4' to each side of the equation.
-4 + 4 + -1z = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -1z = 0 + 4
-1z = 0 + 4

Combine like terms: 0 + 4 = 4
-1z = 4

Divide each side by '-1'.
z = -4

Simplifying
z = -4

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