Im solving variables 31 = 3 (y+7) - 8y

What is the equation and solution for the sentence? the sum of a number and thirty-one is one hundred thirteen. write the equation as n-31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and add 31 to both sides. the answer is 144. write the equation as n-31=113 and add 31 to both sides. the answer is 144.

For what values of x is x2 + 2x = 24 true?

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?