4a+2b+3a-3+7b=

Solution for 4a+2b+3a-3+7b= equation:

Simplifying
4a + 2b + 3a + -3 + 7b = 0

Reorder the terms:
-3 + 4a + 3a + 2b + 7b = 0

Combine like terms: 4a + 3a = 7a
-3 + 7a + 2b + 7b = 0

Combine like terms: 2b + 7b = 9b
-3 + 7a + 9b = 0

Solving
-3 + 7a + 9b = 0

Solving for variable 'a'.

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

Add '3' to each side of the equation.
-3 + 7a + 3 + 9b = 0 + 3

Reorder the terms:
-3 + 3 + 7a + 9b = 0 + 3

Combine like terms: -3 + 3 = 0
0 + 7a + 9b = 0 + 3
7a + 9b = 0 + 3

Combine like terms: 0 + 3 = 3
7a + 9b = 3

Add '-9b' to each side of the equation.
7a + 9b + -9b = 3 + -9b

Combine like terms: 9b + -9b = 0
7a + 0 = 3 + -9b
7a = 3 + -9b

Divide each side by '7'.
a = 0.4285714286 + -1.285714286b

Simplifying
a = 0.4285714286 + -1.285714286b