Question

помогите решить 3,28x+4,72x=17 и 6,5x-2,5x=19 и 34,98x-33,98x+24x=87,29

Answer 1

3.28x+4.72x=17

8x=17

17:8=2.125

6.5x-2.5x=19

4x=19

x=4.75

34.98x-33.98x+24x=87.29

1x+24x=87.29

25x=87.29

x=3.4916