we are given


we can multiply -1 on both sides of second equation


we can see that
both equations becomes same
so, they are coincident............Answer
Answer:
yes
Step-by-step explanation:
5x-7+3x =8x-7
3x-7+5x=8x-7
She would have done 512 jumping jacks on the 10th day.
Answer:
6 and 5 over 6
6 5/6
Step-by-step explanation:
it would be a mixed fraction because 6 can't go into 41 evenly
Answer:
78r²s
Step-by-step explanation:
well you add 49 and 42 and 28 and subtract 41 bc they have the same symbols afterwards, and you get that