3z+2(z-9)=

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Solution for 3z+2(z-9)= equation:


Simplifying
3z + 2(z + -9) = 0

Reorder the terms:
3z + 2(-9 + z) = 0
3z + (-9 * 2 + z * 2) = 0
3z + (-18 + 2z) = 0

Reorder the terms:
-18 + 3z + 2z = 0

Combine like terms: 3z + 2z = 5z
-18 + 5z = 0

Solving
-18 + 5z = 0

Solving for variable 'z'.

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

Add '18' to each side of the equation.
-18 + 18 + 5z = 0 + 18

Combine like terms: -18 + 18 = 0
0 + 5z = 0 + 18
5z = 0 + 18

Combine like terms: 0 + 18 = 18
5z = 18

Divide each side by '5'.
z = 3.6

Simplifying
z = 3.6

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