Question

in the equation $\frac{2}{3}b+5=20-b$ , in the second step of the picture down below, why did $\frac{2}{3}$ change to $\frac{5}{3}$ ?

Answer 1

Answer:

2/3 changed to 5/3 because in the 2nd step, b was added to each side.  A number 1 is assumed in front of the b;

Step-by-step explanation:

Therefore, 2/3 becomes 5/3 because 2/3 + 1 = 1 2/3 = 5/3.  I just simplified.