2(7z-1)-6(z+3)=5(z+1)

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Solution for 2(7z-1)-6(z+3)=5(z+1) equation:


Simplifying
2(7z + -1) + -6(z + 3) = 5(z + 1)

Reorder the terms:
2(-1 + 7z) + -6(z + 3) = 5(z + 1)
(-1 * 2 + 7z * 2) + -6(z + 3) = 5(z + 1)
(-2 + 14z) + -6(z + 3) = 5(z + 1)

Reorder the terms:
-2 + 14z + -6(3 + z) = 5(z + 1)
-2 + 14z + (3 * -6 + z * -6) = 5(z + 1)
-2 + 14z + (-18 + -6z) = 5(z + 1)

Reorder the terms:
-2 + -18 + 14z + -6z = 5(z + 1)

Combine like terms: -2 + -18 = -20
-20 + 14z + -6z = 5(z + 1)

Combine like terms: 14z + -6z = 8z
-20 + 8z = 5(z + 1)

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

Solving
-20 + 8z = 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.
-20 + 8z + -5z = 5 + 5z + -5z

Combine like terms: 8z + -5z = 3z
-20 + 3z = 5 + 5z + -5z

Combine like terms: 5z + -5z = 0
-20 + 3z = 5 + 0
-20 + 3z = 5

Add '20' to each side of the equation.
-20 + 20 + 3z = 5 + 20

Combine like terms: -20 + 20 = 0
0 + 3z = 5 + 20
3z = 5 + 20

Combine like terms: 5 + 20 = 25
3z = 25

Divide each side by '3'.
z = 8.333333333

Simplifying
z = 8.333333333

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