3a-4b+a+6b-7a+b=

Solution for 3a-4b+a+6b-7a+b= equation:

Simplifying
3a + -4b + a + 6b + -7a + b = 0

Reorder the terms:
3a + a + -7a + -4b + 6b + b = 0

Combine like terms: 3a + a = 4a
4a + -7a + -4b + 6b + b = 0

Combine like terms: 4a + -7a = -3a
-3a + -4b + 6b + b = 0

Combine like terms: -4b + 6b = 2b
-3a + 2b + b = 0

Combine like terms: 2b + b = 3b
-3a + 3b = 0

Solving
-3a + 3b = 0

Solving for variable 'a'.

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

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

Combine like terms: 3b + -3b = 0
-3a + 0 = 0 + -3b
-3a = 0 + -3b
Remove the zero:
-3a = -3b

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

Simplifying
a = b