Question 207956
7x - 2y = 24 MULTIPLY THIS EQUATION BY 2 & ADD THEM.
5x+4y=28
14X-4Y=48
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19X=76
X=76/19
X=4 ANS.
7*4-2Y=24
28-2Y=24
-3Y=24-28
-2Y=-4
Y=-4/-2
Y=2 ANS.
PROOF:
5*4+4*2=28
20+8=28
28=28