Its basically just the elements that makes up a compound element I believe
Answer: the answer is 2
Step-by-step explanation:
(5b, -1z)
You have to multiply the B and the C by 5 to get the original equation or you could divide the original equation by 5
Hello
x
x +5
x + 7
x + x + 5 + x + 7 = 21
3 x = 21 - 12
3 x = 9
x = 3
3 , 5 et 7 pouces
