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X+7y=24 and x-9y=-24 doing elimination

X+7y=24 and x-9y=-24 doing elimination
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2 votes
x+7y=24 and x-9y=-24 doing elimination

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User Stephband
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7.5k points

1 Answer

5 votes
the easy thing to do is eliminate x by subtraction

x + 7y = 24
- x - 9y = -24
-------------------
16y = 48

now solve for y and then substitute the value into either original equation to find x
answered
User McLan
by
7.3k points
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