2(2z+10)=40

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Solution for 2(2z+10)=40 equation: 


Simplifying
2(2z + 10) = 40

Reorder the terms:
2(10 + 2z) = 40
(10 * 2 + 2z * 2) = 40
(20 + 4z) = 40

Solving
20 + 4z = 40

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 + 4z = 40 + -20

Combine like terms: 20 + -20 = 0
0 + 4z = 40 + -20
4z = 40 + -20

Combine like terms: 40 + -20 = 20
4z = 20

Divide each side by '4'.
z = 5

Simplifying
z = 5

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