Question

解方程：1、（X-2) ÷3=4.2 2、（X+1.5）÷2=6.2

Answer 1

（1） 解：（x-2) ÷3=4.2 x-2=4.2×3 x-2=12.6 x=12.6+2 x=14.6（2）解：（X+1.5）÷2=6.2 X+1.5=6.2×2 X+1.5=12.4 X=10.9

Answer 2

<1>(x-2)\3=4.2
x-2=4.2*3
x=1.4+2
x=3.4
<2>(x+1.5)\2=6.2
x+1.5=6.2*2
x=10.9

Answer 3

（X-2) ÷3=4.2 X-2=12.6X=14.6 （X+1.5）÷2=6.2X+1.5=12.4X=10.9