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kaheart [24]
3 years ago
11

Solve by elimination. 2x+3y=20 and -2x+y=4 how do I do it??

Mathematics
2 answers:
Vesna [10]3 years ago
7 0
They are two equation you can't add them together or factories them together .
You should do it one By one ,

• For 2x+3y=20
Move 3y behind so that you can form
2x=20-3y

• For -2x+y=4
Move -2x behind as you have already figure it above , so it should be
Y=4+2x

Than you eliminate it into your questions :)

Hope this helps !!
aliya0001 [1]3 years ago
4 0
The answer is 4y =24
y= 24÷4=6
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