2.8=a-4.6

Solution for 2.8=a-4.6 equation:

Simplifying
2.8 = a + -4.6

Reorder the terms:
2.8 = -4.6 + a

Solving
2.8 = -4.6 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
2.8 + -1a = -4.6 + a + -1a

Combine like terms: a + -1a = 0
2.8 + -1a = -4.6 + 0
2.8 + -1a = -4.6

Add '-2.8' to each side of the equation.
2.8 + -2.8 + -1a = -4.6 + -2.8

Combine like terms: 2.8 + -2.8 = 0.0
0.0 + -1a = -4.6 + -2.8
-1a = -4.6 + -2.8

Combine like terms: -4.6 + -2.8 = -7.4
-1a = -7.4

Divide each side by '-1'.
a = 7.4

Simplifying
a = 7.4