Question 1036650
3x + 5y = 4
2x + 4y = 6 
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6x+10y=8
-6x-12y=-18
-2y=-10
y=5
2x+20=6
2x=-14
x=-7
(-7.5)
Check with substitution
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2x+4y=6
2x=-4y+6
x=-2y+3
substitute into first equation
3(-2y+3)+5y=4
-6y+9+5y=4
-y=-5
y=5
x will be -7.