When 7 is added to a X number, the resulting number is 77. The product of 7 and number X is?
When 7 is added to a X number, the resulting number is 77. The product of 7 and number X is?
Explanation
X + 7 = 77
Subtract 7 from both sides:
X = 77 - 7
X = 70
Now that we know X, we can find the product of 7 and X:
7 × X = 7 × 70
= 490