5(a-3)+15=20

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Solution for 5(a-3)+15=20 equation: 


Simplifying
5(a + -3) + 15 = 20

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

Reorder the terms:
-15 + 15 + 5a = 20

Combine like terms: -15 + 15 = 0
0 + 5a = 20
5a = 20

Solving
5a = 20

Solving for variable 'a'.

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

Divide each side by '5'.
a = 4

Simplifying
a = 4

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