8+10z-7=9z+57-7z

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Solution for 8+10z-7=9z+57-7z equation:


Simplifying
8 + 10z + -7 = 9z + 57 + -7z

Reorder the terms:
8 + -7 + 10z = 9z + 57 + -7z

Combine like terms: 8 + -7 = 1
1 + 10z = 9z + 57 + -7z

Reorder the terms:
1 + 10z = 57 + 9z + -7z

Combine like terms: 9z + -7z = 2z
1 + 10z = 57 + 2z

Solving
1 + 10z = 57 + 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 + 10z + -2z = 57 + 2z + -2z

Combine like terms: 10z + -2z = 8z
1 + 8z = 57 + 2z + -2z

Combine like terms: 2z + -2z = 0
1 + 8z = 57 + 0
1 + 8z = 57

Add '-1' to each side of the equation.
1 + -1 + 8z = 57 + -1

Combine like terms: 1 + -1 = 0
0 + 8z = 57 + -1
8z = 57 + -1

Combine like terms: 57 + -1 = 56
8z = 56

Divide each side by '8'.
z = 7

Simplifying
z = 7

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