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

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


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

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

Reorder the terms:
-3 + 15z + -5(4 + z) = 8(z + 1)
-3 + 15z + (4 * -5 + z * -5) = 8(z + 1)
-3 + 15z + (-20 + -5z) = 8(z + 1)

Reorder the terms:
-3 + -20 + 15z + -5z = 8(z + 1)

Combine like terms: -3 + -20 = -23
-23 + 15z + -5z = 8(z + 1)

Combine like terms: 15z + -5z = 10z
-23 + 10z = 8(z + 1)

Reorder the terms:
-23 + 10z = 8(1 + z)
-23 + 10z = (1 * 8 + z * 8)
-23 + 10z = (8 + 8z)

Solving
-23 + 10z = 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.
-23 + 10z + -8z = 8 + 8z + -8z

Combine like terms: 10z + -8z = 2z
-23 + 2z = 8 + 8z + -8z

Combine like terms: 8z + -8z = 0
-23 + 2z = 8 + 0
-23 + 2z = 8

Add '23' to each side of the equation.
-23 + 23 + 2z = 8 + 23

Combine like terms: -23 + 23 = 0
0 + 2z = 8 + 23
2z = 8 + 23

Combine like terms: 8 + 23 = 31
2z = 31

Divide each side by '2'.
z = 15.5

Simplifying
z = 15.5

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