Question

x*8=720

240*а=4

с+356=900

720-у=210

Answer 1

X*8=720
х=720÷8
х=90

240*а=4
а=240÷4
а=60

с+356=900
с=900-356
с=544

720-у=210
у=720-210
у=510

Answer 2

1)x*8=720
x=720:8
x=90
2)240*a=4
a=240:4
a=60
3)c+356=900
c=900-356
c=544
4)720-y=210
y=720-210
y=510