Question

[(a-130):3]×2-100=500
Repedeee

Answer 1

Răspuns:

1 030

Explicație pas cu pas:

[(a-130):3]×2-100=500

[(a-130):3]×2=500+100

[(a-130):3]×2=600

[(a-130):3]=600:2

[(a-130):3]=300

(a-130)=300×3

a-130=900

a=900+130

a=1 030

Verific:

[(1 030-130):3]×2-100=

(900:3)×2-100=

300×2-100=

600-100=

500✔