red23354 red23354

31-03-2017
Mathematics

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9x-4y=15 how do you solve this

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laniece laniece

31-03-2017

x= 4/9y+5/3

solve for x.
9x-4y = 15
add 4y to both sides.
9x - 4y + 4y = 15 + 4y
9x = 4y + 15
divide both sides by 9.
9x/9 = 4y+15/9
x=4/9y + 5/3 is the answer.

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