解方程 x-6(2x+1)=14+9(x-2)

问题描述:

解方程 x-6(2x+1)=14+9(x-2)

X=-1/10

x-12x-6=14+9x-18
x-12x-9x=14-18+6
-20x=2
x=-0.1

x-12x-6=14 9x-18
-11x-9x=14 6-18
-20x=-2
x=0.1

x-6(2x+1)=14+9(x-2)
x-12x-6=14+9x-18
-11x-6=9x-4
9x+11x=-6+4
20x=-2
x=-2÷20
x=-0.1

x-6(2x+1)=14+9(x-2)
x-12x-6=14+9x-18
x-12x-9x=14-18+6
-20x=2
x=-0.1