Question

Решите
-7х=13-2(8х-7)​

Answer 1

$- 7x = 13 - 2 \times (8x - 7) \\ \\ - 7x - 13 + 16x + 14 = 0 \\ \\ - 7 + 16x = 14 + 13 \\ \\ \\ \\ 9x = 27 \\ \\ x = 27 \div 9 \\ \\ x = 3$

~•~•~•ZLOY_TIGROVSKIY~•~•~•

Answer 2

-7x=13-2(8x-7)

-7x=13-16x+14

-7x+16x=13+14

9x=27

x=3