joshoyen
  • joshoyen
Solve each system of equations. 1. y = -3x - 21 y = 5x + 19
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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pooja195
  • pooja195
y = -3x - 21 <---e1 y = 5x + 19 <---e2 Use substitution :-) Plug e1 into e2 since the value of y is given -3x-21=5x+19 solve for x
joshoyen
  • joshoyen
ohhh okay thanks!
pooja195
  • pooja195
Did you solve?

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joshoyen
  • joshoyen
yep x = -5, y=-6
joshoyen
  • joshoyen
@pooja195 i'm actually stuck on this other problme, could you hlep me, it's 5x-4y=-19 x+5y=-27
pooja195
  • pooja195
Im more fimiliar with substituion x+5y=-27 subtract 5y from both sides now you have x=-5y-27 now you have 2 equations 5x-4y=-19 <---e1 x=-5y-27 <---e2 Plug e2 into e1 since the value of x is given 5(-5y-27)-4y=-19 and solve for y from there :)
joshoyen
  • joshoyen
thanks!
pooja195
  • pooja195
yw let me kno wt u get
joshoyen
  • joshoyen
x= -7 y= -4
pooja195
  • pooja195
Good job :-)

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