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s344n2d4d5 [400]
3 years ago
6

How do I solve 4x+8y=20 -4x+2y=-30

Mathematics
1 answer:
sweet-ann [11.9K]3 years ago
3 0

Answer:

i got this

Step-by-step explanation:

4x+8y=20 minus 4x both sides but dont minus

-4x         -4x

8y=20-4x divide to get y alone

8          8

y= -2x+2.5

know do it to the other side


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