2=1-7z-5z

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Solution for 2=1-7z-5z equation: 


Simplifying
2 = 1 + -7z + -5z

Combine like terms: -7z + -5z = -12z
2 = 1 + -12z

Solving
2 = 1 + -12z

Solving for variable 'z'.

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

Add '12z' to each side of the equation.
2 + 12z = 1 + -12z + 12z

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

Add '-2' to each side of the equation.
2 + -2 + 12z = 1 + -2

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

Combine like terms: 1 + -2 = -1
12z = -1

Divide each side by '12'.
z = -0.08333333333

Simplifying
z = -0.08333333333

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