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5 votes
Which of these shows the result of using the first equation to substitute for y in the second equation then combing like terms

y=3x
2x+3y=55

User Jean Tehhe
by
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1 Answer

3 votes


2x + 3y = 55


2x + 3(3x) = 55


2x + 9x = 55


11x = 55


(11x)/(11) = (55)/(11)

x=5

User Masaya
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