6(3z-1)-3(z+1)=8(z+1)

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Solution for 6(3z-1)-3(z+1)=8(z+1) equation:


Simplifying
6(3z + -1) + -3(z + 1) = 8(z + 1)

Reorder the terms:
6(-1 + 3z) + -3(z + 1) = 8(z + 1)
(-1 * 6 + 3z * 6) + -3(z + 1) = 8(z + 1)
(-6 + 18z) + -3(z + 1) = 8(z + 1)

Reorder the terms:
-6 + 18z + -3(1 + z) = 8(z + 1)
-6 + 18z + (1 * -3 + z * -3) = 8(z + 1)
-6 + 18z + (-3 + -3z) = 8(z + 1)

Reorder the terms:
-6 + -3 + 18z + -3z = 8(z + 1)

Combine like terms: -6 + -3 = -9
-9 + 18z + -3z = 8(z + 1)

Combine like terms: 18z + -3z = 15z
-9 + 15z = 8(z + 1)

Reorder the terms:
-9 + 15z = 8(1 + z)
-9 + 15z = (1 * 8 + z * 8)
-9 + 15z = (8 + 8z)

Solving
-9 + 15z = 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.
-9 + 15z + -8z = 8 + 8z + -8z

Combine like terms: 15z + -8z = 7z
-9 + 7z = 8 + 8z + -8z

Combine like terms: 8z + -8z = 0
-9 + 7z = 8 + 0
-9 + 7z = 8

Add '9' to each side of the equation.
-9 + 9 + 7z = 8 + 9

Combine like terms: -9 + 9 = 0
0 + 7z = 8 + 9
7z = 8 + 9

Combine like terms: 8 + 9 = 17
7z = 17

Divide each side by '7'.
z = 2.428571429

Simplifying
z = 2.428571429

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