A + 2a = 3a
n + 2n = 3n
twice a number n is 2n plus 3 is + 3 → twice a number n plus 3 is 2n + 3.
The reciprocal of a number plus the reciprocal of twice the number equals Find the number. 1/2 find the number
2x + 27, where x is your number
a minus and a plus equal a minus number yeh dude
An odd number plus an even number will always be an odd number.
31 Because, twice 31 is 62. And, 62 plus 13 is 75.
2x + 27
A negative number.
(-4) + (+8) is +4
Assuming the hydrocarbon is saturated the formula would be C21H44 In a saturated hydrocarbon the number of hydrogen atoms is equal to twice the number of carbon atoms, plus two.
The number of protons + electrons are equal. The number of protons + neutrons equal the mass number
Not necessarily. A negative number plus a positive number can be negative, zero or positive.
2x + 2 > x + 5
3 times 3 = 9 plus the number 3 = 12.
The number of neutrons plus the number of protons.