kaurjashan0819 kaurjashan0819

09-01-2020
Mathematics

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-2x+3y=11 and x=4y-3 by substitution method

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fhope12 fhope12

09-01-2020

-2(4y-3)+3y=11.
-8y+6+3y=11.
-5y+6=11.
-5y=5.
Y=-1

Plus back in to find X

X= 4(-1)-3.
X= -4-3.
X = -7.

(-7,-1)

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