3x+4y=11
4y=11-3x
Substituting this into x+4y=9
X+11-3x=9
-2x=9-11
-2x=-3
2x=3
X=3/2
Substituting this into x+4y=9
3/2+4y=9
4y=9-3/2
4y=18/2-3/2
4y=15/2
Y=15/2/4
Y=15/8
X=1 1/2
Y=1 7/8
The correct answer is y = 11
because:
2y + 7 = 3y − 4
−y + 7 =−4
Subtract 7 from both sides.
−y + 7 − 7 = − 4 − 7
−y = −11
Divide both sides by -1.
y = 11
Answer:
Step-by-step explanation:
75 = 5 *5* 3
29 is a prime number = 29*1
168 = 2*2*2*3*7
This is sort of a guess, but it makes sense in my head. I'm going to say 2/10, because for a number to be divisible by 5 it has to either end in a 5 or a 0, and those are 2 options out of 10. You could simplify 2/10 down to 1/5, which would be the final answer. I'm not sure, but this is the best I can offer. I hope this helps!