Question

0.3-(7.1+х)=-1.5 уровнение

Answer 1

0.3-7.1-х=-1.5
-х=-1.5+7.1-0.3
-х=5.3
х=-5.3

Answer 2

0.3-7.1-х=-1.5
х=-1.5-0.3+7.1
х=5.3