Solve each system by substitution y=-4x + 5 y= -2x + 1

2 answers:

5 0

y=−4x+5;y=−2x+1Step: Solvey=−4x+5for y:Step: Substitute−4x+5foryiny=−2x+1:y=−2x+1−4x+5=−2x+1−4x+5+2x=−2x+1+2x(Add 2x to both sides)−2x+5=1−2x+5+−5=1+−5(Add -5 to both sides)−2x=−4−2x−2=−4−2(Divide both sides by -2)x=2Step: Substitute2forxiny=−4x+5:y=−4x+5y=(−4)(2)+5y=−3(Simplify both sides of the equation)

x=2 and y=−3

MrRa [10]3 years ago

4 0

[-2x+1=-4x+5] is the first step and isolate for x -2x+1=-4x+5: x+2 then you got y=-3 the answer will be x=2, y=-3

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Step-by-step explanation:

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