Step-by-step explanation:
so,2(15)+100=130
Answer:
130
2x+100=5x+55
subtract 55 from both sides
2x+45=5x
minus 2x
45=3x
divide by 3
x=15
plug it in
2(15)+100=130
Triangle C
Got it right on edge test
12 units right
17 1/2 units up