Answer:
x=-4
Explanation:
We are given that
The sum of eleven and seven times a number is -17.
We have to convert the given sentence into an equation and find the value of number.
Let x be the number.
Seven times a number=

Seven times a number=

Sum of eleven and 7 times a number x=

According to question


Using subtraction property of equality


Using division property of equality
Hence, the value of number=x=-4