To solve for b, we should isolate it on one side of the equation.
Starting with the equation:
3(b + a) + r
Distribute the 3:
3b + 3a + r
Subtract 3a and r from both sides:
3b = -3a - r
Divide both sides by 3:
b = (-3a - r)/3
So the solution for b is:
b = (-3a - r)/3
solve for b
3 (b + a) + r
1 answer