Question

А
A (3x + 5)
(7x-9)
B
C D​

Answer 1

Answer:

i cant under stand the question

Answer 2

3x+5+7x-90=180

or, 10x-85=180

or, 10x=180+85

or, 10x=265

or, x =265/10

or, x=26.5