Question

Subtract the sum of -7 and 13 from the sum of -2 and -9.
Subtract 100 from the sum of -58 and -42.​

Answer 1

brother I think you have written to questions to answer so I am replying for the two questions the answer of force that is subtract the sum of minus 7 and 13 from the sum of - 1 - 9 is 17 and the answer for the second one that is subtracted from the sum of - 58 and - 42 is 200

identity should be helpful for you thank you and if any of the answer is wrong please reply me