Question

х:8+7=9     48:(х+3)=4     48:х+3=4

Answer 1

х:8+7=9    

х:8=2

x=2*8

x=16

48:(х+3)=4

x+3=48/4

x+3=12

x=9

48:х+3=4

48:x=1

x=48