-5.28+1.3a=-2.1a-a

Solution for -5.28+1.3a=-2.1a-a equation:

Simplifying
-5.28 + 1.3a = -2.1a + -1a

Combine like terms: -2.1a + -1a = -3.1a
-5.28 + 1.3a = -3.1a

Solving
-5.28 + 1.3a = -3.1a

Solving for variable 'a'.

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

Add '3.1a' to each side of the equation.
-5.28 + 1.3a + 3.1a = -3.1a + 3.1a

Combine like terms: 1.3a + 3.1a = 4.4a
-5.28 + 4.4a = -3.1a + 3.1a

Combine like terms: -3.1a + 3.1a = 0.0
-5.28 + 4.4a = 0.0

Add '5.28' to each side of the equation.
-5.28 + 5.28 + 4.4a = 0.0 + 5.28

Combine like terms: -5.28 + 5.28 = 0.00
0.00 + 4.4a = 0.0 + 5.28
4.4a = 0.0 + 5.28

Combine like terms: 0.0 + 5.28 = 5.28
4.4a = 5.28

Divide each side by '4.4'.
a = 1.2

Simplifying
a = 1.2