Question

y= 0,1x+5 если y=10

Answer 1

10= 0,1х+5
0,1х= 10-5
0,1х= 5
х= 5:0,1
х=50

Answer 2

у=0.1х+5

у=10

10=0.1х+5

0.1х=5-10

0.1х=-5

х=-5/0.1=-50/1

х=-50