3.21-16=4a

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Solution for 3.21-16=4a equation:


Simplifying
3.21 + -16 = 4a

Combine like terms: 3.21 + -16 = -12.79
-12.79 = 4a

Solving
-12.79 = 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
-12.79 + -4a = 4a + -4a

Combine like terms: 4a + -4a = 0
-12.79 + -4a = 0

Add '12.79' to each side of the equation.
-12.79 + 12.79 + -4a = 0 + 12.79

Combine like terms: -12.79 + 12.79 = 0.00
0.00 + -4a = 0 + 12.79
-4a = 0 + 12.79

Combine like terms: 0 + 12.79 = 12.79
-4a = 12.79

Divide each side by '-4'.
a = -3.1975

Simplifying
a = -3.1975

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