Find the approximate solution of the given system of equations.

8x + 9y = 9
3x – 5y = 20

a.
3.36, –1.99
c.
0, –1.99
b.
–1.11, 2.79
d.
3.36, 2.79
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Question

Find the approximate solution of the given system of equations.
  
8x + 9y = 9
3x – 5y = 20
 
a.
3.36, –1.99
c.
0, –1.99
b.
–1.11, 2.79
d.
3.36, 2.79
PLEASSEE HELP ASAP fan and medal

campbell_st · Answer

well multiply the every term in the 1st equation by 5 and every term in the 2nd equation by 9, and then add them  this will eliminate y

40x + 45y = 45
27x  - 45y = 180
------------------
67x = 225

solve for x by dividing both sides of the equation by 67

when you get x, substitute it into either equation to find y, hope this helps.

anonymous · Answer

Thankyou so much! it helped a million!