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docker41 [41]
3 years ago
8

Please I need help this...

Mathematics
1 answer:
julsineya [31]3 years ago
7 0
The answer is <span>a. x=10, y=-36
</span>
We have two equations.
Let's rearrange one of them:
<span>6x + y = 24
y = 24 - 6x

Now, write those two equations together:
y = 24 - 6x
3x + y/3 = 18

Substitute y in the second equation and solve it for x:
3x + (24 - 6x)/3 = 18
3x + 24/3 - 6x/3 = 18
3x + 8 - 2x = 18
3x - 2x = 18 - 8
<u>x = 10</u>

Now, using the first equation calculate y:
</span>y = 24 - 6x
y = 24 - 6 * 10
y = 24 - 60 
<u>y = -36</u>
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