It’s 9. 9+3=12
3,6,9,12
The twice of 3 is six more than twice is nine.
Answer:
x = 4
y = 2
Step-by-step explanation:
x - y = 2
x = 2 + y
2x + 3y = 14
2(2 + y) + 3y = 14
4 + 2y + 3y = 14
4 + 5y = 14
5y = 10
y = 2
x - y = 2
x - 2 = 2
x = 4
Answer: -4
Step-by-step explanation:
Solve 2x+7=-1
2x. =-8
x. =-4