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08-02-2020
Mathematics

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solve simultaneously using sub method y=3-2x and y=3x+1

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Chelboy Chelboy

08-02-2020

Answer:x=0.4 y=2.2

Step-by-step explanation:

Y=3-2x and y=3x+1

Substitute

3-2x=3x+1

Collect like terms

3-1=3x+2x

2=5x

Divide both sides by 5

2/5=5x/5

X=2/5=0.4

Substitute x=0.4 in y=3-2x

Y=3-2(0.4)

Y=3-0.8

Y=2.2

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