5a-7b+4+12a-7b-4=

Solution for 5a-7b+4+12a-7b-4= equation:

Simplifying
5a + -7b + 4 + 12a + -7b + -4 = 0

Reorder the terms:
4 + -4 + 5a + 12a + -7b + -7b = 0

Combine like terms: 4 + -4 = 0
0 + 5a + 12a + -7b + -7b = 0
5a + 12a + -7b + -7b = 0

Combine like terms: 5a + 12a = 17a
17a + -7b + -7b = 0

Combine like terms: -7b + -7b = -14b
17a + -14b = 0

Solving
17a + -14b = 0

Solving for variable 'a'.

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

Add '14b' to each side of the equation.
17a + -14b + 14b = 0 + 14b

Combine like terms: -14b + 14b = 0
17a + 0 = 0 + 14b
17a = 0 + 14b
Remove the zero:
17a = 14b

Divide each side by '17'.
a = 0.8235294118b

Simplifying
a = 0.8235294118b