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  • 23-10-2018
  • Mathematics
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Find the value of y when x equals 20 -2x+4y=-4

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Naxeum
Naxeum Naxeum
  • 23-10-2018
answer= y = 9

Simplify both sides of the equation

4y-40=-4

add 40 to both sides

4y - 40 + 40=-4 + 40

4y= 36

divide both sides by 4

4y/4 = 36/4

36/4 = y=9
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