9z+7-4z=5+4z+5

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Solution for 9z+7-4z=5+4z+5 equation:


Simplifying
9z + 7 + -4z = 5 + 4z + 5

Reorder the terms:
7 + 9z + -4z = 5 + 4z + 5

Combine like terms: 9z + -4z = 5z
7 + 5z = 5 + 4z + 5

Reorder the terms:
7 + 5z = 5 + 5 + 4z

Combine like terms: 5 + 5 = 10
7 + 5z = 10 + 4z

Solving
7 + 5z = 10 + 4z

Solving for variable 'z'.

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

Add '-4z' to each side of the equation.
7 + 5z + -4z = 10 + 4z + -4z

Combine like terms: 5z + -4z = 1z
7 + 1z = 10 + 4z + -4z

Combine like terms: 4z + -4z = 0
7 + 1z = 10 + 0
7 + 1z = 10

Add '-7' to each side of the equation.
7 + -7 + 1z = 10 + -7

Combine like terms: 7 + -7 = 0
0 + 1z = 10 + -7
1z = 10 + -7

Combine like terms: 10 + -7 = 3
1z = 3

Divide each side by '1'.
z = 3

Simplifying
z = 3

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