-6a+4+7a=10-20

Solution for -6a+4+7a=10-20 equation:

Simplifying
-6a + 4 + 7a = 10 + -20

Reorder the terms:
4 + -6a + 7a = 10 + -20

Combine like terms: -6a + 7a = 1a
4 + 1a = 10 + -20

Combine like terms: 10 + -20 = -10
4 + 1a = -10

Solving
4 + 1a = -10

Solving for variable 'a'.

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

Add '-4' to each side of the equation.
4 + -4 + 1a = -10 + -4

Combine like terms: 4 + -4 = 0
0 + 1a = -10 + -4
1a = -10 + -4

Combine like terms: -10 + -4 = -14
1a = -14

Divide each side by '1'.
a = -14

Simplifying
a = -14