Answer:
3x+38
Step-by-step explanation:
1. (10x2 +5x-3)+(7x2 -2x+7) : rewrite problem
2. (20+5x-3)+(14-2x+7) : PEMDAS (10x2=20 and 7x2=14)
3. (5x+17)+(-2x+21) : PEMDAS (20-3=17 and 14+7=21)
4. 3x+38 : Combine like terms
15 + 16 + 15 + 8 + 6 = 60 divided by 5 = 12
Answer is D
Where are the choices or whatever ~Description s where are they ..?
Yes it! does lie on the line