5(a-2)+15=20

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Solution for 5(a-2)+15=20 equation:


Simplifying
5(a + -2) + 15 = 20

Reorder the terms:
5(-2 + a) + 15 = 20
(-2 * 5 + a * 5) + 15 = 20
(-10 + 5a) + 15 = 20

Reorder the terms:
-10 + 15 + 5a = 20

Combine like terms: -10 + 15 = 5
5 + 5a = 20

Solving
5 + 5a = 20

Solving for variable 'a'.

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

Add '-5' to each side of the equation.
5 + -5 + 5a = 20 + -5

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

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

Divide each side by '5'.
a = 3

Simplifying
a = 3

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