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What is the solution to the system of equations? Use the substitution method. {y=−2x+5 3x−4y=2
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What is the solution to the system of equations? Use the substitution method. {y=−2x+5 3x−4y=2

User Tghw
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User AlexTa
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6.0k points
5 votes
we have that
y=−2x+5 --------> equation 1
3x−4y=2---------> equation 2
substituting 1 in 2
3x-4*(-2x+5)=2--------> 3x+8x-20=2--------> 11x=22-----> x=2
y=-2x+5-----> -2*2+5-----> y=1

the solution is
x=2
y=1
User Gheorghe Graur
by
5.6k points
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