I think that's the element on the second row and the first column which is 15.
This is my work and only part 1
Answer:x=29
Step-by-step explanation:
You want to add all the like terms together so in this case 2x and x
29,30,20,8
3x=87
Divide 3 by both sides
X=29
Answer:
11
Step-by-step explanation:
5plus 2x when x is something 2x is equaling to 6 where as the value of x would be 3...
X^2(x+2)-4(x+2)
(x^2-4) (x+2) = 0
do you have to keep going/?
or thats all they want?