9+11z-8=9z+55-7z

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Solution for 9+11z-8=9z+55-7z equation:


Simplifying
9 + 11z + -8 = 9z + 55 + -7z

Reorder the terms:
9 + -8 + 11z = 9z + 55 + -7z

Combine like terms: 9 + -8 = 1
1 + 11z = 9z + 55 + -7z

Reorder the terms:
1 + 11z = 55 + 9z + -7z

Combine like terms: 9z + -7z = 2z
1 + 11z = 55 + 2z

Solving
1 + 11z = 55 + 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.
1 + 11z + -2z = 55 + 2z + -2z

Combine like terms: 11z + -2z = 9z
1 + 9z = 55 + 2z + -2z

Combine like terms: 2z + -2z = 0
1 + 9z = 55 + 0
1 + 9z = 55

Add '-1' to each side of the equation.
1 + -1 + 9z = 55 + -1

Combine like terms: 1 + -1 = 0
0 + 9z = 55 + -1
9z = 55 + -1

Combine like terms: 55 + -1 = 54
9z = 54

Divide each side by '9'.
z = 6

Simplifying
z = 6

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