-32=-1-a-2a+4a

Solution for -32=-1-a-2a+4a equation:

Simplifying
-32 = -1 + -1a + -2a + 4a

Combine like terms: -1a + -2a = -3a
-32 = -1 + -3a + 4a

Combine like terms: -3a + 4a = 1a
-32 = -1 + 1a

Solving
-32 = -1 + 1a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
-32 + -1a = -1 + 1a + -1a

Combine like terms: 1a + -1a = 0
-32 + -1a = -1 + 0
-32 + -1a = -1

Add '32' to each side of the equation.
-32 + 32 + -1a = -1 + 32

Combine like terms: -32 + 32 = 0
0 + -1a = -1 + 32
-1a = -1 + 32

Combine like terms: -1 + 32 = 31
-1a = 31

Divide each side by '-1'.
a = -31

Simplifying
a = -31