<PRE><B>Question 99730</B>
A) 2x+3y-5=5x-y
subtract 5x and add y to each side: -3x+4y-5=0
add 5 to each side: -3x+4y=5
B) 3x+4y=2(2x+3y-5)
3x+4y=4x+6y-10
subtract 4 and 6y from each side: -x-2y=-10
*[invoke solving_linear_system_by_elimination -1, -2, -10, -3, 4, 5]
Check:
NO) 6+10.5-5=11.5
OP) 15-3.5=11.5
NP) 9+14=23
11.5+11.5=23
Ed
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