Question

2) 8 + 5,1x= 49(1 + 0,1x);
4) 63x - 13,7 = 13(0,1 + 5x);
6) 33(0,1x + 1) = 4-6,7x.​

Answer 1

Ответ:

2)8+5.1х=49+4.9х

5.1х-4.9х=49-8

0.2х=42

х=205

4)63х-65х=1.3-13.7

-2х=-12.4

х=6.2

6)3.3х+33=4-6.7х

3.3х+6.7х=4-33

10х=-29

х=-2.9