3z+(-z-1)=2

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Solution for 3z+(-z-1)=2 equation:


Simplifying
3z + (-1z + -1) = 2

Reorder the terms:
3z + (-1 + -1z) = 2

Remove parenthesis around (-1 + -1z)
3z + -1 + -1z = 2

Reorder the terms:
-1 + 3z + -1z = 2

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

Solving
-1 + 2z = 2

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 = 2 + 1

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

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

Divide each side by '2'.
z = 1.5

Simplifying
z = 1.5

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