Answer:
zero
Step-by-step explanation:
Answer:
2x+2y=-4
since we don't know the value of the letters, we could ignore it. then we add 2+2 which equals 4
6x-2y=12
In this case this equation is incorrect.
Step-by-step explanation:
sorry if I'm incorrect
(please if I'm correct, I really need the brainliest)
Answer:
6 is not a solution to the given equation.
Step-by-step explanation:
We are given the equation 
We need to know whether or not x=6 is a solution. This means that we should substitute in 6 for each instance of x. Then, if both sides of the equation are equal, then 6 is a solution to the equation.

As 32 ≠ 30, 6 is not a solution to the given equation.
15th term :
7.15-10 = 105-10 = 95 good luck