6z+9=8z-3z

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Solution for 6z+9=8z-3z equation:


Simplifying
6z + 9 = 8z + -3z

Reorder the terms:
9 + 6z = 8z + -3z

Combine like terms: 8z + -3z = 5z
9 + 6z = 5z

Solving
9 + 6z = 5z

Solving for variable 'z'.

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

Add '-5z' to each side of the equation.
9 + 6z + -5z = 5z + -5z

Combine like terms: 6z + -5z = 1z
9 + 1z = 5z + -5z

Combine like terms: 5z + -5z = 0
9 + 1z = 0

Add '-9' to each side of the equation.
9 + -9 + 1z = 0 + -9

Combine like terms: 9 + -9 = 0
0 + 1z = 0 + -9
1z = 0 + -9

Combine like terms: 0 + -9 = -9
1z = -9

Divide each side by '1'.
z = -9

Simplifying
z = -9

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