Question

Помогите)))))
26х-17х+19=991
27х-19х+71=915
23х-16х+52=815

Answer 1

9х=972
х=108

8х=844
х=105.5

7х=763
х=109

Answer 2

26×-17×+19=991
9×=991-19
9×=972
×=972:9
×=108.
27×-19×+71=915
8×=915-71
8×=844
×=844:8
×=105,5.

23×-16×+52=815
7×=815-52
7×=763
×=763:7
×=109.

Answer 3

Спасибо)))

Answer 4

незачто