4(5+3z)=56

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Solution for 4(5+3z)=56 equation: 


Simplifying
4(5 + 3z) = 56
(5 * 4 + 3z * 4) = 56
(20 + 12z) = 56

Solving
20 + 12z = 56

Solving for variable 'z'.

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

Add '-20' to each side of the equation.
20 + -20 + 12z = 56 + -20

Combine like terms: 20 + -20 = 0
0 + 12z = 56 + -20
12z = 56 + -20

Combine like terms: 56 + -20 = 36
12z = 36

Divide each side by '12'.
z = 3

Simplifying
z = 3

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