2(x+3)-5(1-x)=3(3-1) 4-3(2-x)=5x 4x-3(20-x)=6x-7(9-x) 4-3(2-x)=5x 4x-3(20-x)=6x-7(9-x)1/3 - x-1/2 = 1x+8/3=-x1-m/2 - 3-3m/4=1x-2/0.2 - x+1/0.5=32(x+3) - 5(1-x) = 3(x-1)4-3(2-x)=5x4x-3(20-x)=6x-7(9-x)
问题描述:
2(x+3)-5(1-x)=3(3-1) 4-3(2-x)=5x 4x-3(20-x)=6x-7(9-x) 4-3(2-x)=5x 4x-3(20-x)=6x-7(9-x)
1/3 - x-1/2 = 1
x+8/3=-x
1-m/2 - 3-3m/4=1
x-2/0.2 - x+1/0.5=3
2(x+3) - 5(1-x) = 3(x-1)
4-3(2-x)=5x
4x-3(20-x)=6x-7(9-x)
答