解方程。 (1) 15x-12x=3.6 (2) 3(2x+4.2)=21 (3) 2.4x-37=65 答案:15x-12x=3.6 解:3x=3.6 x=1.2
3(2x+4.2)=21解:2x+4.2=7 2x=2.8x=1.4
2.4x-37=65 解:2.4x=102x=42.5_______ is commanded by the King that the
new rules ________ out at once.
A.This, should carry
B.This, be carried
C.It, be carried
D.It, should carry