1.7-0.6n=-4.9 10-2(x-1)=22

Question

1.7-0.6n=-4.9

10-2(x-1)=22

Answer 1

1)1.7-0.6n=-4.9
-0.6n=-4.9-1.7
-0.6n=-66
n=110
2)10-2(x-1)=22
10-2x+2=22
-2x=22-10-2
-2x=10
x=-5

Comments

а на второе ?

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а вижу