7.4a+8.6b-5.5a-7.3b=

Solution for 7.4a+8.6b-5.5a-7.3b= equation:

Simplifying
7.4a + 8.6b + -5.5a + -7.3b = 0

Reorder the terms:
7.4a + -5.5a + 8.6b + -7.3b = 0

Combine like terms: 7.4a + -5.5a = 1.9a
1.9a + 8.6b + -7.3b = 0

Combine like terms: 8.6b + -7.3b = 1.3b
1.9a + 1.3b = 0

Solving
1.9a + 1.3b = 0

Solving for variable 'a'.

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

Add '-1.3b' to each side of the equation.
1.9a + 1.3b + -1.3b = 0 + -1.3b

Combine like terms: 1.3b + -1.3b = 0.0
1.9a + 0.0 = 0 + -1.3b
1.9a = 0 + -1.3b
Remove the zero:
1.9a = -1.3b

Divide each side by '1.9'.
a = -0.6842105263b

Simplifying
a = -0.6842105263b