Use elimination to solve this system of equations. 2r + 3s= 9 and 3r + 2s= 12
2 answers:
<span>2r + 3s= 9 <=> -6r -9s = -27;</span>
<span>3r + 2s= 12 <=> 6r + 4s = 24;
=> 0*r -5*s = -3 => s = 3/5;
2*r + 3*(3/5) = 9<=> 10*r + 9 = 45 <=> 10*r = 36 => r = 18/5;
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Answer:
(18/5,3/5)
Step-by-step explanation:
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