12-(3x-5)=7-5x
1个回答
12-3x+5=7-5x
-3x+5x=7-12-5
2x=-10
x=-5
相关问题
2/7x（-5/12）-5/7x5/12-5/3x1/4
3X+12.5=5X+7.7
解方程.7x-9=5x5(x-8)=3x 7x-5x5=2x7X12-10x=18x3(6x-7)=15x+12
5X+12=2×（X+15) 7×(3+X)-12=5X+88 (9.7+2X)÷2=（5.5+5X）÷3
7.5x-7x=12.5 0.3+0.3x=0.39
12.5x-0.75x+3=7.3-1.5x
x+12=(5x+12)X 7分之3
(5x-12)/(x+12)=7/5
6/5x＝3.5＋7/12
12-3(9-x)=5(x-4)-7(7-x)