Question

2| -у | + 7| 4 + х | х=-7 у=-1

Answer 1

2*1+7*3=2+21=23
........................

Answer 2

To solve the given expression, substitute the values of x and y into the expression and then calculate the result.

The given expression is: 2| -у | + 7| 4 + х |

Given values: x = -7, y = -1

Now, substitute the values of x and y into the expression:

2| -(-1) | + 7| 4 + (-7) |

Now, simplify:

2| 1 | + 7| -3 |

The absolute value of any number is always positive, so:

2 * 1 + 7 * 3

Now, calculate:

2 + 21

Finally, the result is:

23