4(z+4)=40

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Solution for 4(z+4)=40 equation: 


Simplifying
4(z + 4) = 40

Reorder the terms:
4(4 + z) = 40
(4 * 4 + z * 4) = 40
(16 + 4z) = 40

Solving
16 + 4z = 40

Solving for variable 'z'.

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

Add '-16' to each side of the equation.
16 + -16 + 4z = 40 + -16

Combine like terms: 16 + -16 = 0
0 + 4z = 40 + -16
4z = 40 + -16

Combine like terms: 40 + -16 = 24
4z = 24

Divide each side by '4'.
z = 6

Simplifying
z = 6

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