4(2z-3)=20-2(2z+1)

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Solution for 4(2z-3)=20-2(2z+1) equation:


Simplifying
4(2z + -3) = 20 + -2(2z + 1)

Reorder the terms:
4(-3 + 2z) = 20 + -2(2z + 1)
(-3 * 4 + 2z * 4) = 20 + -2(2z + 1)
(-12 + 8z) = 20 + -2(2z + 1)

Reorder the terms:
-12 + 8z = 20 + -2(1 + 2z)
-12 + 8z = 20 + (1 * -2 + 2z * -2)
-12 + 8z = 20 + (-2 + -4z)

Combine like terms: 20 + -2 = 18
-12 + 8z = 18 + -4z

Solving
-12 + 8z = 18 + -4z

Solving for variable 'z'.

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

Add '4z' to each side of the equation.
-12 + 8z + 4z = 18 + -4z + 4z

Combine like terms: 8z + 4z = 12z
-12 + 12z = 18 + -4z + 4z

Combine like terms: -4z + 4z = 0
-12 + 12z = 18 + 0
-12 + 12z = 18

Add '12' to each side of the equation.
-12 + 12 + 12z = 18 + 12

Combine like terms: -12 + 12 = 0
0 + 12z = 18 + 12
12z = 18 + 12

Combine like terms: 18 + 12 = 30
12z = 30

Divide each side by '12'.
z = 2.5

Simplifying
z = 2.5

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