15z-3(3z+4)=6

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Solution for 15z-3(3z+4)=6 equation:


Simplifying
15z + -3(3z + 4) = 6

Reorder the terms:
15z + -3(4 + 3z) = 6
15z + (4 * -3 + 3z * -3) = 6
15z + (-12 + -9z) = 6

Reorder the terms:
-12 + 15z + -9z = 6

Combine like terms: 15z + -9z = 6z
-12 + 6z = 6

Solving
-12 + 6z = 6

Solving for variable 'z'.

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

Add '12' to each side of the equation.
-12 + 12 + 6z = 6 + 12

Combine like terms: -12 + 12 = 0
0 + 6z = 6 + 12
6z = 6 + 12

Combine like terms: 6 + 12 = 18
6z = 18

Divide each side by '6'.
z = 3

Simplifying
z = 3

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