5(5+a)=40

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Solution for 5(5+a)=40 equation: 


Simplifying
5(5 + a) = 40
(5 * 5 + a * 5) = 40
(25 + 5a) = 40

Solving
25 + 5a = 40

Solving for variable 'a'.

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

Add '-25' to each side of the equation.
25 + -25 + 5a = 40 + -25

Combine like terms: 25 + -25 = 0
0 + 5a = 40 + -25
5a = 40 + -25

Combine like terms: 40 + -25 = 15
5a = 15

Divide each side by '5'.
a = 3

Simplifying
a = 3

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