Answer: D
Step-by-step explanation:
3(1+x)+7 = 3+3x+7 =3x+10
The answer will be 7.....value of x is 7 i believe
Answer:
The perimeter is 12mm
Step-by-step explanation:
Plug 2 for s in P=6s so 6*2=12
You solve for y so then u subtract the 7x from 30 to get 30-7x equals -10 since the -10 has a variable it means u divide by -10 to the subtracting equation to get-3+7/10
