autumnpatterson2005 autumnpatterson2005

23-11-2020
Mathematics

contestada

Please Help!!! I'll mark the first person to get it right brainliest!

Please Help Ill mark the first person to get it right brainliest class=

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BlueBunny926 BlueBunny926

23-11-2020

Answer:

x=8

Step-by-step explanation:

First we know that 14x +1 and 11x-21 are supplementary angles because they add to 180 degrees. That is the given. Now we need to make an equation.

(14x+1) + (11x-21) = 180

Simplify the equation

25x -20 =180

Addition property of equality

25x =200

Division property of equality

x =8

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