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18-10-2018
Mathematics

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Solve the equation: 3y - 7 = 5y + 21? Question 1 options: -20 -14 -7/2 14

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IonicOrb IonicOrb

18-10-2018

y=-14 first subtract 3y to get -7=2y+21then subtract 21 to get -28=2y then divide 2

Answer Link

jj20121 jj20121

18-10-2018

3y-7=5y+21
+7. +7
3y=5y+28
-5y -5y
-2y=28
Y= -14

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