Question

Resolva: y/3 +5=4y/9

Answer 1

y/3 + 5 = 4y/9

3y/9 + 45/9 = 4y/9

4y - 3y = 45

y = 45

Answer 2

Oie, Td Bom?!

y/3 + 5 = 4y/9

• Multiplique tudo por 9.

3y + 45 = 4y

3y - 4y = - 45

- y = - 45 • (- 1)

y = 45

Att. Makaveli1996