Answer: x+7
Step-by-step explanation: An algebraic expression contains letters and numbers that are connected with mathematical operators or symbols.
The sum of x and 7 as an algebraic up expression is:
x+7
This expression contains a variable , a mathematical symbol and a number. Hope it helped.
Answer:
1032x176x67x890x30x6x8
1032×176×67×890×30×6×8x^6
1.56^13×x^6