4a+-7(a+b)=

Solution for 4a+-7(a+b)= equation:

Simplifying
4a + -7(a + b) = 0
4a + (a * -7 + b * -7) = 0
4a + (-7a + -7b) = 0

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