Question

I give points for correct answers, so please be big-brain and give me the right answers

Answer 1

for first one

we have y=8

substituting value

2x+3×8=12

2x=12-24

x=-12/2=-6

x=-6 for first one

Explanation:

for second one

let keep (2,2)

equation becomes

2×2+3×2=10

10=10 true

let keep (1,3)

equation becomes

2×1+3×3=10

11=10 false

so (2,2) is your answer for second one.

Answer 2

(6,8)

D

y-intercept (0,-6/5)

x-intercept (-3,0)

Explanation: