1+x2=5
x+2
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2z+9
To express "16 more than twice a number" in mathematical terms, you would write it as 2x + 16, where x represents the unknown number. This expression indicates that you first multiply the number by 2 (twice the number) and then add 16 to the result.
*Write and it's 2x+6 x being the number
If the unknown number is q then: 2q+25 = 72
3*(n - 5) = 2*n + 11