Question

6（x—1.5）＝2.4这个方程怎么解啊

Answer 1

x-1.5=0.4

x=1.9

1)x+1=14.5/10=1.45

x=1.45-1=0.45

2)28+7=3x+4x

7x=35

x=5

3)0.4x-0.08+1.5=0.7x-0.38

1.5-0.08+0.38=0.7x-0.4x

0.3x=1.8

x=6

4)35x-70-75x+90=22x-63-63x+84

35x-75x+63x-22x=84-63+70-90

x=1