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RoseWind [281]
4 years ago
6

Solve, using the substitution method.

Mathematics
1 answer:
serious [3.7K]4 years ago
6 0
5x+2y=7
y=x-7

5x=7-2y
5x=7-2(x-7)
5x=7-2x+14
5x+2x=7+14
7x/7=21/7
<u>x=3

</u>y=x-7
<u />y=3-7
<u>y=-4
</u>
Answer is B<u>
</u>
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