4a+19b-7a-12b=

Solution for 4a+19b-7a-12b= equation:

Simplifying
4a + 19b + -7a + -12b = 0

Reorder the terms:
4a + -7a + 19b + -12b = 0

Combine like terms: 4a + -7a = -3a
-3a + 19b + -12b = 0

Combine like terms: 19b + -12b = 7b
-3a + 7b = 0

Solving
-3a + 7b = 0

Solving for variable 'a'.

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

Add '-7b' to each side of the equation.
-3a + 7b + -7b = 0 + -7b

Combine like terms: 7b + -7b = 0
-3a + 0 = 0 + -7b
-3a = 0 + -7b
Remove the zero:
-3a = -7b

Divide each side by '-3'.
a = 2.333333333b

Simplifying
a = 2.333333333b