Step-by-step explanation:
In this problem, all we have to do is replace x and y with the values we've been given.
It can be helpful to think of 3x as 3 * x (which is the same exact thing), so I'll write it out that way.
3*x - 4*y
(replace)
3*4 - 4*3
(multiply (doing this step first because of PEMDAS))
12 - 12
(subtract)
0
Answer:
0
IT should be 2/5 because in total there is 10 and 4 of them he placed an ad and if you simplify 4/10 it makes 2/5.Hope it helps a bit :).
Answer:
it's a
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Step-by-step explanation:
Answer: 17 years
Step-by-step explanation:
Let mary's age be m
2m-7 = m+10
Subtracting m from both sides:
m-7 = 10
Therefore, m = 17
The 2 one jaydjdisgnsjsyhdndisbss.
