Hilda adds 5 to a number, then multiplies the sum by negative 2. The result is 6. Write an equation to find the number, x.What is the number? Enter your answer in the box.
Accepted Solution
A:
If the mystery number is x then:
Hilda adds 5 to a number: x + 5
multiplies the sum by negative 2: (x + 5)*- 2 which is -2(x + 5). (Use parentheses for "x+5" because Hilda added 5 to x first before multiplying it by -2)