Answer:
C
Step-by-step explanation:
Imagine folding the paper at the x-axis line
you will see the base of the triangle will be at (1, -1) and (3, -1), and the top of the triangle will be reflected at (1, -3)
Option C matches the description
5x+12 5/7=72 5/7
subtract 12 5/7 from each side
5x +12 5/7 - 12 5/7=72 5/7- 12 5/7
5x = 60
divide by 5 on each side
x = 60/5
x=12
=3a+10b+6
Hope this helps :)
Answer:
x=5
Step-by-step explanation:
3x+7-x+6=23
3x-x=23-6-7
3x-x=23-13
3x-x=10
2x=10
x=5