2z+9=5z-4z

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Solution for 2z+9=5z-4z equation:


Simplifying
2z + 9 = 5z + -4z

Reorder the terms:
9 + 2z = 5z + -4z

Combine like terms: 5z + -4z = 1z
9 + 2z = 1z

Solving
9 + 2z = 1z

Solving for variable 'z'.

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

Add '-1z' to each side of the equation.
9 + 2z + -1z = 1z + -1z

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

Combine like terms: 1z + -1z = 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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