Question

1500[820-16×(125×a-150):80]=700​

Answer 1

Răspuns:

1500-[820-16×(125×a-150):80]=700

[820-16×(125×a-150):80]=1500-700

820-16x(125xa-150):80=800

16x(125xa-150):80=820-800

16x(125xa-150):80=20

16x(125xa-150)=20x80

16x(125xa-150)=1600

(125xa-150)=1600:16

125xa-150=100

125xa=150+100

125xa=250

a=250:125

a=2