brianasmith5616 brianasmith5616

03-02-2021
Mathematics

contestada

Someone please help this is my last question and I’m already fail so please give right answer if you can :)

Someone please help this is my last question and Im already fail so please give right answer if you can class=

Respuesta :

Аноним Аноним

03-02-2021

Answer: x=20

Step-by-step explanation:

the following angles are supplementary so they will add up to equal 180

4x+21 +2x +39=180

step 1 combine like terms

6x+60=180

step 2 subtract 60 from each side

6x=120

step 3 divide each side by 6

x=20

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