3a+7.9-4.5a-5.3=

Solution for 3a+7.9-4.5a-5.3= equation:

Simplifying
3a + 7.9 + -4.5a + -5.3 = 0

Reorder the terms:
7.9 + -5.3 + 3a + -4.5a = 0

Combine like terms: 7.9 + -5.3 = 2.6
2.6 + 3a + -4.5a = 0

Combine like terms: 3a + -4.5a = -1.5a
2.6 + -1.5a = 0

Solving
2.6 + -1.5a = 0

Solving for variable 'a'.

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

Add '-2.6' to each side of the equation.
2.6 + -2.6 + -1.5a = 0 + -2.6

Combine like terms: 2.6 + -2.6 = 0.0
0.0 + -1.5a = 0 + -2.6
-1.5a = 0 + -2.6

Combine like terms: 0 + -2.6 = -2.6
-1.5a = -2.6

Divide each side by '-1.5'.
a = 1.733333333

Simplifying
a = 1.733333333