3 years ago

System of equations y=2x-3 x+y=18

Mathematics

1 answer:

son4ous [18]3 years ago

7 0

2x-3=-1x+18
+1x +1x
3x-3=18
+3 +3
3x=21
divide both sides by 3
x=7

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Answer:

Step-by-step explanation:

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