2x + 7 = 13
Subtract 7 from each side:
2x = 6
Divide each side by 2:
x = 3
Wiki User
∙ 14y ago-8
8+13 = 21 (8*5)+(13*2) = 66
6
Any irrational number, when added to 13, will produce an irrational number.
Then the number is 3
Five more than twice a number is -13 find the number
-8
8+13 = 21 (8*5)+(13*2) = 66
The number is 121/2.
2n+13
6
Any irrational number, when added to 13, will produce an irrational number.
Any irrational number, when added to 13, will produce an irrational number.
The element with an atomic number twice that of aluminum (13) is magnesium, which has an atomic number of 12.
Then the number is 3
2n+13
13