(3x-5)X2=3X(x-1)+11 5X(3x+2)-1=5x+199 (10x+5)X5分之2=3X(x-1)+9 3+(3分之5x+5)X10分之1=11-2分之1(3x-5)X2=3X(x-1)+11 5X(3x+2)-1=5x+199(10x+5)X5分之2=3X(x-1)+9+9 3+(3分之5x+5)X10分之1=11-2分之1

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/29 00:27:29
(3x-5)X2=3X(x-1)+11 5X(3x+2)-1=5x+199 (10x+5)X5分之2=3X(x-1)+9 3+(3分之5x+5)X10分之1=11-2分之1(3x-5)X2=3X(x-1)+11 5X(3x+2)-1=5x+199(10x+5)X5分之2=3X(x-1)+9+9 3+(3分之5x+5)X10分之1=11-2分之1
xݑN0_c"+JήZ H,YP'&TJ-v#".nƼg;eAT]|<:a/AH(0%4)I SMwBk$w _"׃LECUu/S?u`}\)o2ũDa#!\+RD\L<~6%#݋竱 髱 9۷'>k?VEwz_-w>bN/[y~*wJc

(3x-5)X2=3X(x-1)+11 5X(3x+2)-1=5x+199 (10x+5)X5分之2=3X(x-1)+9 3+(3分之5x+5)X10分之1=11-2分之1(3x-5)X2=3X(x-1)+11 5X(3x+2)-1=5x+199(10x+5)X5分之2=3X(x-1)+9+9 3+(3分之5x+5)X10分之1=11-2分之1
(3x-5)X2=3X(x-1)+11 5X(3x+2)-1=5x+199 (10x+5)X5分之2=3X(x-1)+9 3+(3分之5x+5)X10分之1=11-2分之1
(3x-5)X2=3X(x-1)+11
5X(3x+2)-1=5x+199
(10x+5)X5分之2=3X(x-1)+9
+9 3+(3分之5x+5)X10分之1=11-2分之1

(3x-5)X2=3X(x-1)+11 5X(3x+2)-1=5x+199 (10x+5)X5分之2=3X(x-1)+9 3+(3分之5x+5)X10分之1=11-2分之1(3x-5)X2=3X(x-1)+11 5X(3x+2)-1=5x+199(10x+5)X5分之2=3X(x-1)+9+9 3+(3分之5x+5)X10分之1=11-2分之1
6x-10=3x+8 → 3x=18 →x=6
15x+9=5x+199 → 10x=190 →x=19
4x+2=3x+6 →x=4
6分之1x+2分之7=2分之21 →6分之1x=7 → x=42
答完给分
PS:我也匿名 是对的啦~