Question

3- Resuelve y verifica:

• x : 3 + 21:7 = 43

• 9x – 4.5 = 7.10 + 3.3
AYUDAAAAAA​

Answer 1

•x : 3 + 21:7 = 43

   x:3+3=43

       x:3=40

        x=120

•9x – 4.5 = 7.10 + 3.3

 9x-20 = 70 + 9

  9x=99

    x=11