3a-5+2-7a=

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

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

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

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

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

Solving
-3 + -4a = 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 + -4a = 0 + 3

Combine like terms: -3 + 3 = 0
0 + -4a = 0 + 3
-4a = 0 + 3

Combine like terms: 0 + 3 = 3
-4a = 3

Divide each side by '-4'.
a = -0.75

Simplifying
a = -0.75