a+33a-16a+19a-21a=1389

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Solution for a+33a-16a+19a-21a=1389 equation: 


Simplifying
a + 33a + -16a + 19a + -21a = 1389

Combine like terms: a + 33a = 34a
34a + -16a + 19a + -21a = 1389

Combine like terms: 34a + -16a = 18a
18a + 19a + -21a = 1389

Combine like terms: 18a + 19a = 37a
37a + -21a = 1389

Combine like terms: 37a + -21a = 16a
16a = 1389

Solving
16a = 1389

Solving for variable 'a'.

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

Divide each side by '16'.
a = 86.8125

Simplifying
a = 86.8125

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