4a+2b-9a+5b=

Solution for 4a+2b-9a+5b= equation:

Simplifying
4a + 2b + -9a + 5b = 0

Reorder the terms:
4a + -9a + 2b + 5b = 0

Combine like terms: 4a + -9a = -5a
-5a + 2b + 5b = 0

Combine like terms: 2b + 5b = 7b
-5a + 7b = 0

Solving
-5a + 7b = 0

Solving for variable 'a'.

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

Add '-7b' to each side of the equation.
-5a + 7b + -7b = 0 + -7b

Combine like terms: 7b + -7b = 0
-5a + 0 = 0 + -7b
-5a = 0 + -7b
Remove the zero:
-5a = -7b

Divide each side by '-5'.
a = 1.4b

Simplifying
a = 1.4b