Answer:
(1,1)
Step-by-step explanation:
I just finished the exam and got it correct, as you can see in the picture.
3x + 5 = 12 - 7x
⇒ 3x = 12 - 5 - 7x
⇒ 3x = 7 - 7x
⇒ 3x + 7x = 7
⇒ 10x = 7
⇒ x= 7 ÷ 10
⇒<u> x = 0.7</u>
7w<u> > </u>5w + 50
1 : 3
48ft
Make sure to split it up into Simpler shapes
triangle area= width x height divided by 2
look at image for more info