Question 13942
the answer in your textbook is right.

i think thats the equation

2x-7=x+4
2x-x=7+4
x=11

x+2=13 and x+4=15 and u can check the answer smallest interger is x and its 11 . twic the 11 is 22 which is 7 more larger than 15 the largest

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