(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

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(3x-5)X2=3X(x-1)+115X(3x+2)-1=5x+199(10x+5)X5分之2=3X(x-1)+93+(3分之5x+5)X10分之1=11-2分之1(3x-5)X2=3X(x-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

(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~