作业帮(0.5x+1.5)\0.1-(0.4x-1)\0.5=-4
来源：学生作业帮助网 编辑：作业帮 时间：2024/11/15 16:55:08
xA
1 Eo#ʐ
֞čs8 AOfv h`Z,Rpv/q@ŇQmL`x tg7s8Y{s%n `1Y[EQ0C /L:'.
P1ʶWcMݦc^Oag-YuT
(0.5x+1.5)\0.1-(0.4x-1)\0.5=-4
(0.5x+1.5)\0.1-(0.4x-1)\0.5=-4
(0.5x+1.5)\0.1-(0.4x-1)\0.5=-4
10（0.5x+1.5）-2（0.4x-1）=-4
5x+15-0.8x+2=-4
4.2x=-4-15-2
4.2x=-21
x=-5
(0.5x+1.5)\0.1-(0.4x-1)\0.5=-4
10(0.5x+1.5)-2(0.4x-1)=-4
5x+15-0.8x+2=-4
5x-0.8x=-4-15-2
4.2x=-21
x=-21÷4.2
x=-5