1.4x+3=3x+5 2.12-4x=3x-21.4x+3=3x+5 2.12-4x=3x-2 3.3(2x-1)=4(3-x) 4.12-2(3x-4)=x 5.13-2(2x-3)=5-(x-2)

问题描述:

1.4x+3=3x+5 2.12-4x=3x-2
1.4x+3=3x+5 2.12-4x=3x-2 3.3(2x-1)=4(3-x) 4.12-2(3x-4)=x 5.13-2(2x-3)=5-(x-2)

  1. X=2

  2. X=2

  3. X=1.5

  4. X=20/7

  5. X=4

        4x+3=3x+5   4x-3x=5-3x=2               2.    &n...