5z+4z=8z-2

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Solution for 5z+4z=8z-2 equation: 


Simplifying
5z + 4z = 8z + -2

Combine like terms: 5z + 4z = 9z
9z = 8z + -2

Reorder the terms:
9z = -2 + 8z

Solving
9z = -2 + 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.
9z + -8z = -2 + 8z + -8z

Combine like terms: 9z + -8z = 1z
1z = -2 + 8z + -8z

Combine like terms: 8z + -8z = 0
1z = -2 + 0
1z = -2

Divide each side by '1'.
z = -2

Simplifying
z = -2

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