Question

2分之1x(m+1)+2m=负3m+(3m减3分之1）步骤要写淸

Answer 1

1/2*(m+1)+2m=-3m+(3m-1/3) (1/2)m+1/2+2m=-3m+3m-1/3 (1/2)m+1/2+2m=-1/3 (5/2)m=-1/3-1/2 (5/2)m=-5/6 m=-(1/3) 注：1/2为二分之一