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Solve the following simultaneous equations. 5p - 3q = -17 3p + 2q = 5
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Solve the following simultaneous equations. 5p - 3q = -17 3p + 2q = 5
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Jun 12, 2022
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Solve the following simultaneous equations.
5p - 3q = -17
3p + 2q = 5
Mathematics
high-school
Viraf
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Need to make 2 variables match first
Multiply first equation by -2 and second by 3
So it would be
-10p+6q=34
9p+6q=15
Then substract
-19p=19
P=-1
Plug into first equation
-5-3q=-17
-3q=-12
q=4
Sukhwinder
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Jun 17, 2022
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Sukhwinder
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