2(5z-1)-2(z+9)=5(z+1)

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Solution for 2(5z-1)-2(z+9)=5(z+1) equation:


Simplifying
2(5z + -1) + -2(z + 9) = 5(z + 1)

Reorder the terms:
2(-1 + 5z) + -2(z + 9) = 5(z + 1)
(-1 * 2 + 5z * 2) + -2(z + 9) = 5(z + 1)
(-2 + 10z) + -2(z + 9) = 5(z + 1)

Reorder the terms:
-2 + 10z + -2(9 + z) = 5(z + 1)
-2 + 10z + (9 * -2 + z * -2) = 5(z + 1)
-2 + 10z + (-18 + -2z) = 5(z + 1)

Reorder the terms:
-2 + -18 + 10z + -2z = 5(z + 1)

Combine like terms: -2 + -18 = -20
-20 + 10z + -2z = 5(z + 1)

Combine like terms: 10z + -2z = 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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