6a+4a+5+3a+7a-2=

Solution for 6a+4a+5+3a+7a-2= equation:

Simplifying
6a + 4a + 5 + 3a + 7a + -2 = 0

Reorder the terms:
5 + -2 + 6a + 4a + 3a + 7a = 0

Combine like terms: 5 + -2 = 3
3 + 6a + 4a + 3a + 7a = 0

Combine like terms: 6a + 4a = 10a
3 + 10a + 3a + 7a = 0

Combine like terms: 10a + 3a = 13a
3 + 13a + 7a = 0

Combine like terms: 13a + 7a = 20a
3 + 20a = 0

Solving
3 + 20a = 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 + -3 + 20a = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 20a = 0 + -3
20a = 0 + -3

Combine like terms: 0 + -3 = -3
20a = -3

Divide each side by '20'.
a = -0.15

Simplifying
a = -0.15