tnt82799 tnt82799
  • 24-02-2018
  • Mathematics
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please help with another math question

please help with another math question class=

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creeds25
creeds25 creeds25
  • 24-02-2018
Given system of equations:
2y=4x+20 Eq 1
4y=6x+24 Eq 2
Divide both sides of equation 1 by 2.
y=2x+10
Substitute value of y in equation 2.
4(2x+10)=6x+24
8x+40=6x+24
2x+40=24
2x=-16
x=-8
Put value of x in y=2x+10
y=2(-8) + 10
y=-16+10
y=-6

Answer : (-8,-6)
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