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Use the substitution method to solve. y=5−3x 5x−4y=−3
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1 vote
Use the substitution method to solve.

y=5−3x
5x−4y=−3

User Bhanu Pratap
by
8.1k points

1 Answer

4 votes
Well just substitute y (the first equation) into the second equation.
So
5x-4(5-3x)=-3
Then just solve the equation from there.
5x-20+12x=-3
17x=17
x=1
and if you need y, y=2
User MasterBlaster
by
9.2k points
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