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Solve the following pair of linear …

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Solve the following pair of linear equation by the substitutions method. X+y upon 2 equal 4 , 2x+y equal 8
  • 3 answers

A P 5 years, 5 months ago

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Sharmistha Goyal 5 years, 5 months ago

x+y/2=4 that is eq(1) x+y=8 that is eq(2) from eq(1) x+y=4×2, x=6 -y that is eq(3) putting this value in eq(2) 2(6-y)+y=8, y=4

Rekha Popli 5 years, 5 months ago

X+Y/2=4 X+Y=8 X=8-Y PUT THE VALUE OF X IN EQ 2X+Y=8 2(8-Y) +Y=8 16-2Y+Y=8 -Y=8-16 -Y=-8 Y=8 PUT THE VALUE OF Y X=8-8 X=0
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