5(3a-5)=20

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Solution for 5(3a-5)=20 equation: 


Simplifying
5(3a + -5) = 20

Reorder the terms:
5(-5 + 3a) = 20
(-5 * 5 + 3a * 5) = 20
(-25 + 15a) = 20

Solving
-25 + 15a = 20

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 + 15a = 20 + 25

Combine like terms: -25 + 25 = 0
0 + 15a = 20 + 25
15a = 20 + 25

Combine like terms: 20 + 25 = 45
15a = 45

Divide each side by '15'.
a = 3

Simplifying
a = 3

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