1.8a-6-2.8a+1=

Solution for 1.8a-6-2.8a+1= equation:

Simplifying
1.8a + -6 + -2.8a + 1 = 0

Reorder the terms:
-6 + 1 + 1.8a + -2.8a = 0

Combine like terms: -6 + 1 = -5
-5 + 1.8a + -2.8a = 0

Combine like terms: 1.8a + -2.8a = -1a
-5 + -1a = 0

Solving
-5 + -1a = 0

Solving for variable 'a'.

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

Add '5' to each side of the equation.
-5 + 5 + -1a = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -1a = 0 + 5
-1a = 0 + 5

Combine like terms: 0 + 5 = 5
-1a = 5

Divide each side by '-1'.
a = -5

Simplifying
a = -5