Question

найди корни уравнений:x•60+260=800;900-y•90=90;450+c÷8=500;7200÷d+3100=4000

Answer 1

00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

Answer 2

60x=800-260
60x=540
x=9

Answer 3

900-90y=90

Answer 4

90y=900-90

Answer 5

90y=810

Answer 6

y=9