Question

3 Resolva
q)8x-5/2=9
r)x-5/7=1

Answer 1

Explicação passo-a-passo:

q)

8x-5/2=9

8x = 9 + (-5/2)

8x = 9 - 2,5

8x = 6.(1/5)

x = 13/16

r)

x-5/7=1

x = 1 + (5/7)

x = 1, 71