[5a-2a]+[3b+b]=

Solution for [5a-2a]+[3b+b]= equation:

Simplifying
[5a + -2a] + [3b + b] = 0

Combine like terms: 5a + -2a = 3a
[3a] + [3b + b] = 0
[3a] + [3b + b] = 0

Combine like terms: 3b + b = 4b
[3a] + [4b] = 0
[3a] + [4b] = 0

Solving
[3a] + [4b] = 0

Solving for variable 'a'.

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

Add '[-4b]' to each side of the equation.
[3a] + [4b] + [-4b] = 0 + [-4b]

Combine like terms: [4b] + [-4b] = 0
[3a] + 0 = 0 + [-4b]
[3a] = 0 + [-4b]
Remove the zero:
[3a] = [-4b]

Divide each side by '3'.
a = [-1.333333333b]

Simplifying
a = [-1.333333333b]