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

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


Simplifying
-1(2 + 1) + 2(z + -2) = 0

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

Multiply -1 * 3
-3 + 2(z + -2) = 0

Reorder the terms:
-3 + 2(-2 + z) = 0
-3 + (-2 * 2 + z * 2) = 0
-3 + (-4 + 2z) = 0

Combine like terms: -3 + -4 = -7
-7 + 2z = 0

Solving
-7 + 2z = 0

Solving for variable 'z'.

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

Add '7' to each side of the equation.
-7 + 7 + 2z = 0 + 7

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

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

Divide each side by '2'.
z = 3.5

Simplifying
z = 3.5

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