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

User Kanad
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1 Answer

2 votes
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.
User Adrian Seeley
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7.1k points