1=7-z

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Solution for 1=7-z equation:


Simplifying
1 = 7 + -1z

Solving
1 = 7 + -1z

Solving for variable 'z'.

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

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

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

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

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

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

Simplifying
z = 6

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