Question

1.Найдите корни уравнений
1) 17х+18х=700
2)41у-17у=480

Answer 1

1) 17x+18x=700; 35х=700; x=700:35; x=20;
2) 41y-17y=480; 24y=480; y=480:24; y=20;

Answer 2

1) 17x+18x=700
35x=700
x=700:35
x=20

2)41y-17y=480
24y=480
y=480:24
y=20