3(4z-1)-3(z+9)=5(z+1)

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Solution for 3(4z-1)-3(z+9)=5(z+1) equation:


Simplifying
3(4z + -1) + -3(z + 9) = 5(z + 1)

Reorder the terms:
3(-1 + 4z) + -3(z + 9) = 5(z + 1)
(-1 * 3 + 4z * 3) + -3(z + 9) = 5(z + 1)
(-3 + 12z) + -3(z + 9) = 5(z + 1)

Reorder the terms:
-3 + 12z + -3(9 + z) = 5(z + 1)
-3 + 12z + (9 * -3 + z * -3) = 5(z + 1)
-3 + 12z + (-27 + -3z) = 5(z + 1)

Reorder the terms:
-3 + -27 + 12z + -3z = 5(z + 1)

Combine like terms: -3 + -27 = -30
-30 + 12z + -3z = 5(z + 1)

Combine like terms: 12z + -3z = 9z
-30 + 9z = 5(z + 1)

Reorder the terms:
-30 + 9z = 5(1 + z)
-30 + 9z = (1 * 5 + z * 5)
-30 + 9z = (5 + 5z)

Solving
-30 + 9z = 5 + 5z

Solving for variable 'z'.

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

Add '-5z' to each side of the equation.
-30 + 9z + -5z = 5 + 5z + -5z

Combine like terms: 9z + -5z = 4z
-30 + 4z = 5 + 5z + -5z

Combine like terms: 5z + -5z = 0
-30 + 4z = 5 + 0
-30 + 4z = 5

Add '30' to each side of the equation.
-30 + 30 + 4z = 5 + 30

Combine like terms: -30 + 30 = 0
0 + 4z = 5 + 30
4z = 5 + 30

Combine like terms: 5 + 30 = 35
4z = 35

Divide each side by '4'.
z = 8.75

Simplifying
z = 8.75

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