5(3-4z)=20

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Solution for 5(3-4z)=20 equation: 


Simplifying
5(3 + -4z) = 20
(3 * 5 + -4z * 5) = 20
(15 + -20z) = 20

Solving
15 + -20z = 20

Solving for variable 'z'.

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

Add '-15' to each side of the equation.
15 + -15 + -20z = 20 + -15

Combine like terms: 15 + -15 = 0
0 + -20z = 20 + -15
-20z = 20 + -15

Combine like terms: 20 + -15 = 5
-20z = 5

Divide each side by '-20'.
z = -0.25

Simplifying
z = -0.25

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