tykishionna tykishionna

26-05-2017
Mathematics

contestada

Q5. If 3x=6x-15 then x + 8=

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taylorschool4946 taylorschool4946

26-05-2017

The answer is 13. Subtract 6x from both sides to get -3x= -15 so x equals 5.
5+8=13

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nybrwag nybrwag

26-05-2017

First you have to find the value for x, so solve the equation 3x=6x-15. Subtract 6x from both sides to get -3x=-15. Finally, divide both sides by -3 to get x=5. Plus 5 into the x value for the other equation. 5+8=13

Answer Link

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