Question

Is this Correct?
(-8ab+7a-5)-(-7ab+2) = -ab+7a+7

Answer 1

-8ab+7a-5+7ab-2=-ab+7a-7

Answer 2

Yes you are correct.

Answer 3

No.

Answer 4

(-8ab+7a-5)-(-7ab+2)=

= -8ab+7a-5+7ab-2=

= -ab+7a-2

Answer 5

Do it one step at a time.
Drop first set of parentheses.
Distribute negative 1 through second set of parentheses.
Collect like terms.

Answer 6

@Mariamikayla Sorry, also incorrect.

Answer 7

@rolldextro
Your answer is different than the poster's, but you say she is correct. Do you mean your answer is incorrect?

Answer 8

\((-8ab+7a-5)-(-7ab+2) =\)

\(=-8ab+7a-5 +7ab-2 \)

\(=-ab+7a-7 \)

Answer 9

@mathstudent55 aah, yes, sorry... it was -ab+7a-7 ...i've forgot to add -5

Answer 10

@Haaileyyy
Your only mistake was with the constant terms.
What is -5- 2?

Answer 11

this is how i did it
\[(-8ab+7a-5)-(-7ab+2)\]
\[-8ab+7a-5+7ab-2\]
\[-ab+7a+7\]

Answer 12

oohhh its supposed to be -7 and not positive

Answer 13

Your second line is correct.
-5 - 2 = -7

Answer 14

You got it now.

Answer 15

Thank you so much

Answer 16

yw