5(3+z)=75

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Solution for 5(3+z)=75 equation: 


Simplifying
5(3 + z) = 75
(3 * 5 + z * 5) = 75
(15 + 5z) = 75

Solving
15 + 5z = 75

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 + 5z = 75 + -15

Combine like terms: 15 + -15 = 0
0 + 5z = 75 + -15
5z = 75 + -15

Combine like terms: 75 + -15 = 60
5z = 60

Divide each side by '5'.
z = 12

Simplifying
z = 12

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