Answer:
x = 47/7 or 6.714
Step-by-step explanation:
7 (x+3) = 72-4
7x + 21 = 68
7x = 68 - 21
7x = 47
x = 145.161290323
x ≈ 145.161
9.3x + 450 = 1800
-450 -450
9.3x = 1350
/9.3 /9.3
Hope this helps!
option 3) EF= -7 FG= -7
Step-by-step explanation
X= 1/2
EF= 2X-8
= 2 X 1/2 -8
=1 - 8
EF = -7
FG= 4X -9
= 4X 1/2
2 - 9
FG = -7
answer in the link