Q. solve the following linear equation by coefficient equating method.
1. 2x + 3x=6; x+2y=3
2. 9x+4y=5; 2x+4y=7
Answers
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Step-by-step explanation:
(1)2x+3x=6
2x+4y=6
5x=2x+4y
3x=4y
x/y=4/3
(2)63x+28y=35
10x+20y=35
equivalent
63x+28y=10x+20y
53x=-8y
x/y=-8/53
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