sillyperson sillyperson

04-03-2016
Mathematics

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what is the value of x in y= -6x+18 and y =3/2x-7

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SmarticalParticals SmarticalParticals

04-03-2016

1) y= -6x + 18
y - 18 = -6x
y - 18 ÷ -6 = x
y + 3 = x

2) y = 3/2x - 7
y + 7 = 3/2x
y + 7 × 2/3 = x
y + 14/3 = x

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