2(2+Y)
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2(x+y) is twice the sum of x and y, and 2x+y is the sum of twice x and y
x+y=20 x=2y-2 2y-2+y=20 y-2=20 y=18 x=2
"the sum of 2" and "twice" "a number" "is" "36"2+2x=36 â–
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).
x - (y + 2)