Question

-3.7(2.5x-7.6)=-3.66+2.1x

Answer 1

-3.7(2.5x-7.6)=-3.66+2.1x
-9,25х+28,12=-3,66+2,1х
-9,25х-2,1х=-3,66-28,12
-11,35х=-31,78
х=2,8

Answer 2

-9,25х+28,12 = - 3,66 + 2,1х
28,12+3,66 = 2,1х+ 9,25х
31,78 = 11,35х
31,78 : 11,35 = х
2,8 = х
х = 2,8