9z-3=7+7z

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Solution for 9z-3=7+7z equation:


Simplifying
9z + -3 = 7 + 7z

Reorder the terms:
-3 + 9z = 7 + 7z

Solving
-3 + 9z = 7 + 7z

Solving for variable 'z'.

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

Add '-7z' to each side of the equation.
-3 + 9z + -7z = 7 + 7z + -7z

Combine like terms: 9z + -7z = 2z
-3 + 2z = 7 + 7z + -7z

Combine like terms: 7z + -7z = 0
-3 + 2z = 7 + 0
-3 + 2z = 7

Add '3' to each side of the equation.
-3 + 3 + 2z = 7 + 3

Combine like terms: -3 + 3 = 0
0 + 2z = 7 + 3
2z = 7 + 3

Combine like terms: 7 + 3 = 10
2z = 10

Divide each side by '2'.
z = 5

Simplifying
z = 5

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