5(3z-1)-3(z+5)=9(z+1)

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Solution for 5(3z-1)-3(z+5)=9(z+1) equation:


Simplifying
5(3z + -1) + -3(z + 5) = 9(z + 1)

Reorder the terms:
5(-1 + 3z) + -3(z + 5) = 9(z + 1)
(-1 * 5 + 3z * 5) + -3(z + 5) = 9(z + 1)
(-5 + 15z) + -3(z + 5) = 9(z + 1)

Reorder the terms:
-5 + 15z + -3(5 + z) = 9(z + 1)
-5 + 15z + (5 * -3 + z * -3) = 9(z + 1)
-5 + 15z + (-15 + -3z) = 9(z + 1)

Reorder the terms:
-5 + -15 + 15z + -3z = 9(z + 1)

Combine like terms: -5 + -15 = -20
-20 + 15z + -3z = 9(z + 1)

Combine like terms: 15z + -3z = 12z
-20 + 12z = 9(z + 1)

Reorder the terms:
-20 + 12z = 9(1 + z)
-20 + 12z = (1 * 9 + z * 9)
-20 + 12z = (9 + 9z)

Solving
-20 + 12z = 9 + 9z

Solving for variable 'z'.

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

Add '-9z' to each side of the equation.
-20 + 12z + -9z = 9 + 9z + -9z

Combine like terms: 12z + -9z = 3z
-20 + 3z = 9 + 9z + -9z

Combine like terms: 9z + -9z = 0
-20 + 3z = 9 + 0
-20 + 3z = 9

Add '20' to each side of the equation.
-20 + 20 + 3z = 9 + 20

Combine like terms: -20 + 20 = 0
0 + 3z = 9 + 20
3z = 9 + 20

Combine like terms: 9 + 20 = 29
3z = 29

Divide each side by '3'.
z = 9.666666667

Simplifying
z = 9.666666667

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