Question 138892
3Y+4X=24
2Y-2X=2 MULTIPLY THIS EQUATION BY 2 & THEN ADD THESE 2 EQUATIONS:
4Y-4X=4
3Y+4X=24
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7Y=28
Y=28/7
Y=4 ANSWER.
3*4+4X=24
12+4X=24
4X=24-12
4X=12
X=12/4
X=3 ANSWER.
PROOF:
2*4-2*3=2
8-6=2
2=2