2x +3x
2x+3y=10
3(x+21) = 2(x+23)3x+63=2x+46x=-17
three times a number decreased by eleven
One.
18
There are two possible (and different) answers: 2x + 3y = 12 or 2*(x + 3y)= 12 The first one is (twice a number) increased by (three times another) The second is twice (a number increased by (three times another)).
twice the difference of three times a number and eight
2x+3
Let the number be x and so the expression is: 2x+3
2x+3y=10
3(x+21) = 2(x+23)3x+63=2x+46x=-17
A + 2a = 3a
three times a number decreased by eleven
The answer is 42
One.
18
n + 2n = 3n