(5a+2)2-14=20

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Solution for (5a+2)2-14=20 equation:


Simplifying
(5a + 2) * 2 + -14 = 20

Reorder the terms:
(2 + 5a) * 2 + -14 = 20

Reorder the terms for easier multiplication:
2(2 + 5a) + -14 = 20
(2 * 2 + 5a * 2) + -14 = 20
(4 + 10a) + -14 = 20

Reorder the terms:
4 + -14 + 10a = 20

Combine like terms: 4 + -14 = -10
-10 + 10a = 20

Solving
-10 + 10a = 20

Solving for variable 'a'.

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

Add '10' to each side of the equation.
-10 + 10 + 10a = 20 + 10

Combine like terms: -10 + 10 = 0
0 + 10a = 20 + 10
10a = 20 + 10

Combine like terms: 20 + 10 = 30
10a = 30

Divide each side by '10'.
a = 3

Simplifying
a = 3

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