Answer:
x=2
Step-by-step explanation:
x-3=2-3
+3 +3
x=2
the 3 is being canceled out by the positive, because 3-3=0 therefore it's just canceled out, leaving you with x=2.
Answer:
I'm sorry for answering like that, so here is my actual answer: It is the third one. Again I'm very sorry.
Step-by-step explanation:
Answer:
The answer is here
Step-by-step explanation:
https://www.khanacademy.org/test-prep/praxis-math/praxis-math-lessons/gtp--praxis-math--lessons--geometry/a/gtp--praxis-math--article--congruence-and-similarity--lesson
Hello,
Let denote
h the number of men in the concert hall (before leaving)
f the number of women in the concert hall (before leaving)
1/5 h quit =60/2
15/100 f =60/2
h=30*5=150
f=30*100/15=200
Tey were 150+200 = 350 humans in the hall.
(why h : homme, f:femme you may call m and w)
Answer : 19
5^2-2(3)
25-6
19