3 years ago

How to solve it with walk through steps

1 answer:

6 0

You can say

x+y=5
x=5-y

You know the value of x, put it into the next equation.

3(5-y)-7y=19
15-3y-7y=19
15-19 = 10y
-4=10y
-4/10=y
-2/5=y

Put y value back into either equation to find value of x.

x+y=5
x-2/5=5
x=5+2/5
x=27/5

Therefore, x,y = (27/5, -2/5)

Hope I helped :)

You might be interested in

On an architect's drawing of the floor plan for a house, 1 inch represents 3 feet if a room is represented on the floor plan by

r-ruslan [8.4K]

3.5×3=10.5 ft
5×3=15
15×10.5=157.5 square feet

5 0

3 years ago

Which equation has a solution of 2/3 for x?

Anika [276]

<h2><u>Answer: A. 15x = 10</u></h2>

Step-by-step explanation: 15 x 2/3 = 10.

-zomba

3 0