Question

1-4(1-х)дробь 3=7дробь2

Answer 1

1-4(1-х)/ 3=7/2

-4(1-х)/ 3=7/2-1
4(x-1)=(5/2)·3
x-1=(5/2)·3/4
x=1+15/8       x=23/8=2,875