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  • 07-03-2016
  • Mathematics
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Which expression is an equivalent expression of 12x + 10 + 4y? 2(6x + 2y + 6) 3(4x + y + 10) 2(6x + 4y + 8) 2(6x + 5 + 2y)

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zexius
zexius zexius
  • 07-03-2016
It's 2(6x + 5 + 2y). 

You basically multiply the number outside the parentheses by everything inside.
So 2 × 6x = 12x,
2 × 5 = 10,
2 × 2y = 4y. 

This is the same as 12x + 10 + 4y. 
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