First number plus twice a second number is 8. twice the first number plus the second totals 31. find the number

1st number = 18

2nd number = -5

Step-by-step explanation:

Let x be first number and y be the 2nd number.

We have been given that first number plus twice a second number is 8. We can represent this information as:

We are also given that twice the first number plus the second totals 31. We can represent this information as:

Now let us solve our system of equations using substitution method.

From equation (1) we will get,

Substituting in equation (2) we will get,

Therefore, the second number is -5.

Now let us substitute y=-5 in equation (1).

Therefore, the first number is 18.

anser is a

step-by-step explanation:

negitive slope

square root of 36/6 = 2.449489743

square root of 16/6 = 1.632993162

square root of 6 = 2.449489743

the answer is square root of 16/6 because the square root of 36/6 is the same answer as square root of 6 = 2.449489743