Реши уравнения 2400:х=2;а+21000=100000;у*4=560000;b-47000=100000.

Question

Реши уравнения 2400:х=2;а+21000=100000;у*4=560000;b-47000=100000.

Answer 1

2400÷x=2
2x=2400
x=2400÷2
x=1200
$$$$$$$$$$$$$
a+21000=100000
a=100000-21000
a=79000
$$$$$$$$$$$$$
4y=560000
y=560000÷4
y=140000
$$$$$$$$$$$$$$
b-47000=100000
b=100000+47000
b=147000

Answer 2

2400-2=2398................................................