whatis-21a+28a-6=10.2

Solution for whatis-21a+28a-6=10.2 equation:

Simplifying
whatis + -21a + 28a + -6 = 10.2

Reorder the terms:
-6 + -21a + 28a + ahistw = 10.2

Combine like terms: -21a + 28a = 7a
-6 + 7a + ahistw = 10.2

Solving
-6 + 7a + ahistw = 10.2

Solving for variable 'a'.

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

Add '6' to each side of the equation.
-6 + 7a + 6 + ahistw = 10.2 + 6

Reorder the terms:
-6 + 6 + 7a + ahistw = 10.2 + 6

Combine like terms: -6 + 6 = 0
0 + 7a + ahistw = 10.2 + 6
7a + ahistw = 10.2 + 6

Combine like terms: 10.2 + 6 = 16.2
7a + ahistw = 16.2

Reorder the terms:
-16.2 + 7a + ahistw = 16.2 + -16.2

Combine like terms: 16.2 + -16.2 = 0.0
-16.2 + 7a + ahistw = 0.0

The solution to this equation could not be determined.