Negative thirteen decreased by 3 times a number A) 13 - 3x
B) -13 - 3x
C) -13 + 3x
D) 13 + 3x

C

Step-by-step explanation:

Let's assume the number is x.

Negative means a minus or subtraction.

Decrease also means a minus or subtraction.

Three times the number which we have assumed to be x will be: 3*x=3x

The

-13 - 3x

no solution

step-by-step explanation:

there is not enough information in the problem to solve.

there are 70 more legs than eyes at the dog show (196 – 126 = 70). dogs have two more legs than eyes, and humans have the same number of legs as eyes. thus 70 is twice the number of dogs at the show, so the number of dogs is half of 70, which is 35. to get the number of humans, subtract 35 from 63: 63 – 35 = 28.

step-by-step explanation: