Mathematics
Katlynalexis98
5

Please Help and Show work please!!!!!!!!!!!!!!!!!!!! Find the solution to the following set of equations using substitution : y = x – 3 and y = -4x + 2 -2x + 2y = 2 and 2x + y = -2 4y + x = -1 and x = -2y + 3

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(1) Answers
CassandraBriones

The first one:  y=x−3;y=−4x+2Step: Solvey=x−3for y:Step: Substitutex−3foryiny=−4x+2:y=−4x+2x−3=−4x+2x−3+4x=−4x+2+4x(Add 4x to both sides)5x−3=25x−3+3=2+3(Add 3 to both sides)5x=55x5=55(Divide both sides by 5)x=1Step: Substitute1forxiny=x−3:y=x−3y=1−3y=−2(Simplify both sides of the equation)Answer:x=1 and y=−2

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