1/2-3/4*(x-3/10)=3/8

Question

1/2-3/4*(x-3/10)=3/8

Answer 1

1\2 - 3\4 * (х - 3\10) =3\8
1\2 - 3\4х - 9\40 = 3\8
1\2 - 9\40 - 3\8 = 3\4х
20\40 - 9\40 - 15\40 = 3\4х
-4\40 = 3\4х
х= 3\4: (-4\40)
х = - 7 2\4

Comments

минус на минус =плюс(-3\4*3\10)