Question

1)⅞Х=2,1
2)-6х=2
3)13х-10=7х+2
4)7-15(х-2)=23-14х​

Answer 1

1.

$x = 2.1 \div \frac{7}{8} = 2.1 \times \frac{8}{7} = 0.3 \times 8 = 2.4$

2.

х=2÷-6=-1/3

3.

13х-10=7х+2

6х=12

х=2

4.

7-15х+30=23-14х

37-23=х

х=14