Question

the sum of two numbers is 19. the sum of two times the first and three times of the second is 45. find the numbers.

Answer 1

Answer:

12 and 7

Step-by-step explanation:

Let the the numbers be x and y

x+y=19

y=19-x

2x+3y=45

2x+3(19-x)=45

2x+57-3x=45

-x=-57+45

-x=-12

x=12

x+y=19

12+y=19

y=7

Answer 2

Answer:

supposed one no. is .X and other no. is Y

X + Y = 19 ___eq. 1)

and

2X + 3Y = 45___eq. 2)

we solve sub....... method

X = 19 - Y ___eq. 3. from by eq 1

putting the value of X in eq. 2

2X + 3Y = 45___eq. 2)

...?...............?...............

thank u

please mark me brainly