Question

Help math math please please

Answer 1

`\displaystyle 7x + 9y = 45`

Explanation:

y = –⁷⁄₉x + 5

+ ⁷⁄₉x + ⁷⁄₉x

___________

⁷⁄₉x + y = 5 [We CANNOT leave the equation like this, so multiply by 9 to eradicate the fraction.]

9[⁷⁄₉x + y = 5]

`\displaystyle 7x + 9y = 45`

I am joyous to assist you at any time.