2(3z-3)-4(z+6)=

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Solution for 2(3z-3)-4(z+6)= equation:


Simplifying
2(3z + -3) + -4(z + 6) = 0

Reorder the terms:
2(-3 + 3z) + -4(z + 6) = 0
(-3 * 2 + 3z * 2) + -4(z + 6) = 0
(-6 + 6z) + -4(z + 6) = 0

Reorder the terms:
-6 + 6z + -4(6 + z) = 0
-6 + 6z + (6 * -4 + z * -4) = 0
-6 + 6z + (-24 + -4z) = 0

Reorder the terms:
-6 + -24 + 6z + -4z = 0

Combine like terms: -6 + -24 = -30
-30 + 6z + -4z = 0

Combine like terms: 6z + -4z = 2z
-30 + 2z = 0

Solving
-30 + 2z = 0

Solving for variable 'z'.

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

Add '30' to each side of the equation.
-30 + 30 + 2z = 0 + 30

Combine like terms: -30 + 30 = 0
0 + 2z = 0 + 30
2z = 0 + 30

Combine like terms: 0 + 30 = 30
2z = 30

Divide each side by '2'.
z = 15

Simplifying
z = 15

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