Find (-7x-14)-(x-5)
I need it within the next 35 minutes please

-8x - 9

Step-by-step explanation:

−8x−9

Step By Step:

Distribute the Negative Sign:

=−7x−14+−1(x−5)

=−7x+−14+−1x+(−1)(−5)

=−7x+−14+−x+5

Combine Like Terms:

=−7x+−14+−x+5

=(−7x+−x)+(−14+5)

=−8x+−9

= −8x−9

add all the numbers and check the ones place.

the answer is 486. as the ones place is more than 4, the estimation will be the next 10 ie, 490

-13

step-by-step explanation:

f(x)=2x-5 for f(-4)

f(-4)   means let x=-4

f(-4) = 2(-4) -5

f(-4) =-8-5

      = -13