-9+4z+2-2z=

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Solution for -9+4z+2-2z= equation:


Simplifying
-9 + 4z + 2 + -2z = 0

Reorder the terms:
-9 + 2 + 4z + -2z = 0

Combine like terms: -9 + 2 = -7
-7 + 4z + -2z = 0

Combine like terms: 4z + -2z = 2z
-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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