3(5z-3)-3(4-2z)=6

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Solution for 3(5z-3)-3(4-2z)=6 equation:


Simplifying
3(5z + -3) + -3(4 + -2z) = 6

Reorder the terms:
3(-3 + 5z) + -3(4 + -2z) = 6
(-3 * 3 + 5z * 3) + -3(4 + -2z) = 6
(-9 + 15z) + -3(4 + -2z) = 6
-9 + 15z + (4 * -3 + -2z * -3) = 6
-9 + 15z + (-12 + 6z) = 6

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

Combine like terms: -9 + -12 = -21
-21 + 15z + 6z = 6

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

Solving
-21 + 21z = 6

Solving for variable 'z'.

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

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

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

Combine like terms: 6 + 21 = 27
21z = 27

Divide each side by '21'.
z = 1.285714286

Simplifying
z = 1.285714286

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