-3=1-z-z

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Solution for -3=1-z-z equation:


Simplifying
-3 = 1 + -1z + -1z

Combine like terms: -1z + -1z = -2z
-3 = 1 + -2z

Solving
-3 = 1 + -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.
-3 + 2z = 1 + -2z + 2z

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

Add '3' to each side of the equation.
-3 + 3 + 2z = 1 + 3

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

Combine like terms: 1 + 3 = 4
2z = 4

Divide each side by '2'.
z = 2

Simplifying
z = 2

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