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OpenStudy (anonymous):
what is the solution to this system 7x + 5y = 19 -7x - 2y = -16 a. 2,1 b. 1,2 c. 7,5 d. -7,-2
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OpenStudy (anonymous):
is this algebra 1?
OpenStudy (anonymous):
yes.
OpenStudy (anonymous):
okay if you do elimination you get 3y=3 so y= 1 then you plug y into one of the equations. so that is 7x+5(1)=19 7x+5=19 7x=14 x=2 so its A 2,1
OpenStudy (anonymous):
elimination of the equation on top that is. but anyway there is your answer
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