20+4=16-3a

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Solution for 20+4=16-3a equation:


Simplifying
20 + 4 = 16 + -3a

Combine like terms: 20 + 4 = 24
24 = 16 + -3a

Solving
24 = 16 + -3a

Solving for variable 'a'.

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

Add '3a' to each side of the equation.
24 + 3a = 16 + -3a + 3a

Combine like terms: -3a + 3a = 0
24 + 3a = 16 + 0
24 + 3a = 16

Add '-24' to each side of the equation.
24 + -24 + 3a = 16 + -24

Combine like terms: 24 + -24 = 0
0 + 3a = 16 + -24
3a = 16 + -24

Combine like terms: 16 + -24 = -8
3a = -8

Divide each side by '3'.
a = -2.666666667

Simplifying
a = -2.666666667

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