Question

Solve using linear combination. Show all work. 9X + 5Y 35 And -2x-5y=0

Answer 1

solve your equation then Subtract 2x from both sides next Subtract 2 from both sides. last Divide both sides by 2

Explanation:

Answer 2

x=5, y=-2

Explanation:

9x + 5y =35

-2x-5y=0

Add the equations together

9x + 5y =35

-2x-5y=0

----------------------

7x = 35

Divide each side by 7

7x/7 = 35/7

x = 5

Now find y

9x+5y = 35

9(5) +5y = 35

45 +5y =35

Subtract 45 from each side

45-45 +5y = 35-45

5y = -10

Divide each side by 5

5y/5=-10/5

y = -2