To find 2 times the sum of x and y, you first need to calculate the sum of x and y by adding the two variables together. Once you have the sum, you multiply it by 2 to get the final result. In mathematical terms, the expression for 2 times the sum of x and y can be written as 2(x + y).
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5(x^2 + y)
2(x+y) is twice the sum of x and y, and 2x+y is the sum of twice x and y
x - (y + 2)
3[(x^2) + 5] x (2x-y) Do the parentheses first, then brackets next. P.e.m.d.a.s.
It can be, it need not be.