-6=7a-4a

Solution for -6=7a-4a equation:

Simplifying
-6 = 7a + -4a

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

Solving
-6 = 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
-6 + -3a = 3a + -3a

Combine like terms: 3a + -3a = 0
-6 + -3a = 0

Add '6' to each side of the equation.
-6 + 6 + -3a = 0 + 6

Combine like terms: -6 + 6 = 0
0 + -3a = 0 + 6
-3a = 0 + 6

Combine like terms: 0 + 6 = 6
-3a = 6

Divide each side by '-3'.
a = -2

Simplifying
a = -2