1+2z=7

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Solution for 1+2z=7 equation: 


Simplifying
1 + 2z = 7

Solving
1 + 2z = 7

Solving for variable 'z'.

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

Add '-1' to each side of the equation.
1 + -1 + 2z = 7 + -1

Combine like terms: 1 + -1 = 0
0 + 2z = 7 + -1
2z = 7 + -1

Combine like terms: 7 + -1 = 6
2z = 6

Divide each side by '2'.
z = 3

Simplifying
z = 3

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