Question

Subtract -9x from 7x​

Answer 1

$given \\ subtract \: - 9x \: from \: 7x$

$solution \\ 7x - ( - 9x) \\ = 7x + 9x \\ = 16x$

Answer 2

-2x is the answer .

from hai to 7x firstly

7x-9x

but 9-7

answer is = 2

so the answer is -2x