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7x+3y=21

3y=21-7x

y=7-(7/3)x

on comparing with d eqn for a st line

y=mx+c where m= slope and c=y intercept

here m=(-7/3) n c=7

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13y ago
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Q: What is the slope and y-intercept of 7 x plus 3 y equals 21?
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