a+4-7a-5=

Solution for a+4-7a-5= equation:

Simplifying
a + 4 + -7a + -5 = 0

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

Combine like terms: 4 + -5 = -1
-1 + a + -7a = 0

Combine like terms: a + -7a = -6a
-1 + -6a = 0

Solving
-1 + -6a = 0

Solving for variable 'a'.

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

Add '1' to each side of the equation.
-1 + 1 + -6a = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -6a = 0 + 1
-6a = 0 + 1

Combine like terms: 0 + 1 = 1
-6a = 1

Divide each side by '-6'.
a = -0.1666666667

Simplifying
a = -0.1666666667