x + 10
x=y+10
3+10x
10n
48
(10)(2x)
1
-10-18x
2n-10
It is: ab+10
x + (13-10)
(of a number) altering for convenience of expression or calculation, for example to the nearest whole number or multiple of ten or five
Let the unknown number be x and so the expression is: x+12