Answer:
3+x
Step-by-step explanation:
“the sum of three and a number”
Frame an expression for the given statement
Expression contains variables and operators like add, subtract , multiply and divide
LEt the unknown number be x
Sum represents the addition of two numbers
Sum of three and a number means the addition of 3 and number x
So the expression become 3+ x
Answer:
14 or -22
Step-by-step explanation:
st=18
s=-4
-4+18=14
so t can be at 14
or -4-18=-22
t can be at -22
3ax/5 - 4c = ax/5