9+12z-7=4z+82-2z

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Solution for 9+12z-7=4z+82-2z equation:


Simplifying
9 + 12z + -7 = 4z + 82 + -2z

Reorder the terms:
9 + -7 + 12z = 4z + 82 + -2z

Combine like terms: 9 + -7 = 2
2 + 12z = 4z + 82 + -2z

Reorder the terms:
2 + 12z = 82 + 4z + -2z

Combine like terms: 4z + -2z = 2z
2 + 12z = 82 + 2z

Solving
2 + 12z = 82 + 2z

Solving for variable 'z'.

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

Add '-2z' to each side of the equation.
2 + 12z + -2z = 82 + 2z + -2z

Combine like terms: 12z + -2z = 10z
2 + 10z = 82 + 2z + -2z

Combine like terms: 2z + -2z = 0
2 + 10z = 82 + 0
2 + 10z = 82

Add '-2' to each side of the equation.
2 + -2 + 10z = 82 + -2

Combine like terms: 2 + -2 = 0
0 + 10z = 82 + -2
10z = 82 + -2

Combine like terms: 82 + -2 = 80
10z = 80

Divide each side by '10'.
z = 8

Simplifying
z = 8

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