4(5z-1)-5(z+3)=2(z+1)

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Solution for 4(5z-1)-5(z+3)=2(z+1) equation:


Simplifying
4(5z + -1) + -5(z + 3) = 2(z + 1)

Reorder the terms:
4(-1 + 5z) + -5(z + 3) = 2(z + 1)
(-1 * 4 + 5z * 4) + -5(z + 3) = 2(z + 1)
(-4 + 20z) + -5(z + 3) = 2(z + 1)

Reorder the terms:
-4 + 20z + -5(3 + z) = 2(z + 1)
-4 + 20z + (3 * -5 + z * -5) = 2(z + 1)
-4 + 20z + (-15 + -5z) = 2(z + 1)

Reorder the terms:
-4 + -15 + 20z + -5z = 2(z + 1)

Combine like terms: -4 + -15 = -19
-19 + 20z + -5z = 2(z + 1)

Combine like terms: 20z + -5z = 15z
-19 + 15z = 2(z + 1)

Reorder the terms:
-19 + 15z = 2(1 + z)
-19 + 15z = (1 * 2 + z * 2)
-19 + 15z = (2 + 2z)

Solving
-19 + 15z = 2 + 2z

Solving for variable 'z'.

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

Add '-2z' to each side of the equation.
-19 + 15z + -2z = 2 + 2z + -2z

Combine like terms: 15z + -2z = 13z
-19 + 13z = 2 + 2z + -2z

Combine like terms: 2z + -2z = 0
-19 + 13z = 2 + 0
-19 + 13z = 2

Add '19' to each side of the equation.
-19 + 19 + 13z = 2 + 19

Combine like terms: -19 + 19 = 0
0 + 13z = 2 + 19
13z = 2 + 19

Combine like terms: 2 + 19 = 21
13z = 21

Divide each side by '13'.
z = 1.615384615

Simplifying
z = 1.615384615

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