3(5z-3)-3(-2z)=6

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Solution for 3(5z-3)-3(-2z)=6 equation:


Simplifying
3(5z + -3) + -3(-2z) = 6

Reorder the terms:
3(-3 + 5z) + -3(-2z) = 6
(-3 * 3 + 5z * 3) + -3(-2z) = 6
(-9 + 15z) + -3(-2z) = 6

Remove parenthesis around (-2z)
-9 + 15z + -3 * -2z = 6

Multiply -3 * -2
-9 + 15z + 6z = 6

Combine like terms: 15z + 6z = 21z
-9 + 21z = 6

Solving
-9 + 21z = 6

Solving for variable 'z'.

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

Add '9' to each side of the equation.
-9 + 9 + 21z = 6 + 9

Combine like terms: -9 + 9 = 0
0 + 21z = 6 + 9
21z = 6 + 9

Combine like terms: 6 + 9 = 15
21z = 15

Divide each side by '21'.
z = 0.7142857143

Simplifying
z = 0.7142857143

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