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16-09-2020
Mathematics

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4. Solve the simultaneous equations
x+2y=3
2x+3y = 5

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16-09-2020

Okay

x+2y=3 - equation 1
2x+3y=5 -equation 2
Multiple equation 1 by 2
Giving you
2x+4y=6 - equation 3
Subtract equation 3 - equation 2
Giving you
Y=1
Put Y =1 into equation 1
Giving you
x+2(1)=3
x=3-2
x=1

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