5(3z-1)-4(z+4)=8(z+1)

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Solution for 5(3z-1)-4(z+4)=8(z+1) equation:


Simplifying
5(3z + -1) + -4(z + 4) = 8(z + 1)

Reorder the terms:
5(-1 + 3z) + -4(z + 4) = 8(z + 1)
(-1 * 5 + 3z * 5) + -4(z + 4) = 8(z + 1)
(-5 + 15z) + -4(z + 4) = 8(z + 1)

Reorder the terms:
-5 + 15z + -4(4 + z) = 8(z + 1)
-5 + 15z + (4 * -4 + z * -4) = 8(z + 1)
-5 + 15z + (-16 + -4z) = 8(z + 1)

Reorder the terms:
-5 + -16 + 15z + -4z = 8(z + 1)

Combine like terms: -5 + -16 = -21
-21 + 15z + -4z = 8(z + 1)

Combine like terms: 15z + -4z = 11z
-21 + 11z = 8(z + 1)

Reorder the terms:
-21 + 11z = 8(1 + z)
-21 + 11z = (1 * 8 + z * 8)
-21 + 11z = (8 + 8z)

Solving
-21 + 11z = 8 + 8z

Solving for variable 'z'.

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

Add '-8z' to each side of the equation.
-21 + 11z + -8z = 8 + 8z + -8z

Combine like terms: 11z + -8z = 3z
-21 + 3z = 8 + 8z + -8z

Combine like terms: 8z + -8z = 0
-21 + 3z = 8 + 0
-21 + 3z = 8

Add '21' to each side of the equation.
-21 + 21 + 3z = 8 + 21

Combine like terms: -21 + 21 = 0
0 + 3z = 8 + 21
3z = 8 + 21

Combine like terms: 8 + 21 = 29
3z = 29

Divide each side by '3'.
z = 9.666666667

Simplifying
z = 9.666666667

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