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Lilih2013
@Lilih2013
April 2020
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sabendo que y=3x+7, determine o valor de X na equação 2x-3y=23
(preciso da conta completa ..... obg! )
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Francislane
Y=3x+7
2x-3y=23
2x-3(3x+7)=23
2x-9x-21=23
-7x=23+21
-7x=44
x= -44/7
1 votes
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2x-3y=23
2x-3(3x+7)=23
2x-9x-21=23
-7x=23+21
-7x=44
x= -44/7