65=3z-1+z+1+11+2z+12

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Solution for 65=3z-1+z+1+11+2z+12 equation:


Simplifying
65 = 3z + -1 + z + 1 + 11 + 2z + 12

Reorder the terms:
65 = -1 + 1 + 11 + 12 + 3z + z + 2z

Combine like terms: -1 + 1 = 0
65 = 0 + 11 + 12 + 3z + z + 2z
65 = 11 + 12 + 3z + z + 2z

Combine like terms: 11 + 12 = 23
65 = 23 + 3z + z + 2z

Combine like terms: 3z + z = 4z
65 = 23 + 4z + 2z

Combine like terms: 4z + 2z = 6z
65 = 23 + 6z

Solving
65 = 23 + 6z

Solving for variable 'z'.

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

Add '-6z' to each side of the equation.
65 + -6z = 23 + 6z + -6z

Combine like terms: 6z + -6z = 0
65 + -6z = 23 + 0
65 + -6z = 23

Add '-65' to each side of the equation.
65 + -65 + -6z = 23 + -65

Combine like terms: 65 + -65 = 0
0 + -6z = 23 + -65
-6z = 23 + -65

Combine like terms: 23 + -65 = -42
-6z = -42

Divide each side by '-6'.
z = 7

Simplifying
z = 7

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