Question

Which expression is equivalent to x + 2x + y + 2y?

Answer 1

$x + 2x + y + 2y \\= (1+2)x + (1+2)y \\= 3x + 3y \\= 3(x+y)$

Therefore.,

$\red { Equivalent \: expression \: to \: x + 2x + y + 2y}\\\green {= 3(x+y)}$

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