20=14-2(5a+1)

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Solution for 20=14-2(5a+1) equation:


Simplifying
20 = 14 + -2(5a + 1)

Reorder the terms:
20 = 14 + -2(1 + 5a)
20 = 14 + (1 * -2 + 5a * -2)
20 = 14 + (-2 + -10a)

Combine like terms: 14 + -2 = 12
20 = 12 + -10a

Solving
20 = 12 + -10a

Solving for variable 'a'.

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

Add '10a' to each side of the equation.
20 + 10a = 12 + -10a + 10a

Combine like terms: -10a + 10a = 0
20 + 10a = 12 + 0
20 + 10a = 12

Add '-20' to each side of the equation.
20 + -20 + 10a = 12 + -20

Combine like terms: 20 + -20 = 0
0 + 10a = 12 + -20
10a = 12 + -20

Combine like terms: 12 + -20 = -8
10a = -8

Divide each side by '10'.
a = -0.8

Simplifying
a = -0.8

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