1) 9.4x – 7.8x + 0.52 = 1 2) 3 – 1/2x = 5 3) 8целых 5/7 – x = 4целых 9/14. Created by lomon2222. matematika-ru

14...

svetlana7628702 9.4х-7.8х=1-0.52
9.4х-7.8х=0.48
1.6х=0.48
х=0.48÷1.6
х=0.3

3-1/2х=5
1/2х=3-5
0,5х=-2
х= -4

8 5/7-х= 4 9/14
х= 8 5/7- 4 9/14
х = 8 10/14- 4 9/14
х = 4 1/14

lomon2222 Спасибо!

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