Well 24=4*6, and 35=7*5 not 6, so 4/7 doesn't = 24/35, so no
{-2x-5y=13
<u>{2x-5y=17 </u>(+)
<em /> -2x+2x-5y-5y=13+17
-10y=30 /:(-10)
y=-3
2x-5y=17
2x-5*(-3)=17
2x+15=17
2x=2
x=1
<em>Solution: (1; -3)</em>
Answer:
1. x= - 20/13
2. 7x-21
Step-by-step explanation:
Answer:
Q5. Option 1
Q7. Option 4
Step-by-step explanation:
Please see the attached pictures for full solution.
No, yes, no, yes
What part of comparing number values do you not understand? Most folks figure out enough about place value to be able to answer this by 3rd grade. If there's something about this question that really stumps you, please advise in the comments.