Plsss me pls 1. what is 13+w over 7 =-18? 2. 17=-13-8x show all your work

I can  answer both for you. 1. x=-69 2. -15/4=x

Step-by-step explanation: 1. 13+w/7=-8 First to get rid of the 7 we multiply both sides by 7.

13+w/7=-8

13+w=-56

Then we subtract both sides by 13 which gives us the answer

13+w=-56

x=-69

The final answer for the first is x=-69

For the 2nd we start of by adding 13 to both sides.

17=-13-8x

30=-8x

Then we divide both sides by -8

30=-8x

30/-8=-8x/-8

-15/4=x

The final answer for second is -15/4=x

Hope this helps!

fahrenheit

step-by-step explanation:

fahrenheit is more precise than celsius. the ambient temperature on most of the inhabited world ranges from -20 degrees fahrenheit to 110 degrees fahrenheit—a 130-degree range. on the celsius scale, that range is from -28.8 degrees to 43.3 degrees—a 72.1-degree range. this means that you can get a more exact measurement of the air temperature using fahrenheit because it uses almost twice the scale.

answer: a video game has three difficulty levels: easy, medium, and expert. the game's scoring works in such a way that a player has to score a fixed number of points to advance to the next level, and then the scoring starts over. the total score needed to clear all three difficulty levels is 7,500. two times the number of points needed to clear the easy level is 500 more than the number of points needed to clear the medium level. twice the number of points needed to clear the medium difficulty level is 1,500 more than the number of points needed to clear the expert level. if x, y, and z represent the easy, medium, and expert levels, respectively, and a is the coefficient matrix of the system of equations modeling this situation, identify the inverse matrix, a-1, and the solution matrix, x, of the system of equations.

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rauschg

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