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We know the two angles form a linear pair and linear pairs are Answer 1 Question 14
supplementary
so their measures add together to get 180
. Our equation, therefore, would be:
(x+13)+(
Answer 2 Question 14
) =180
Combine your like terms.
5x+15=
Answer 3 Question 14
180
Subtract 15
from both sides and you have
5x=
Answer 4 Question 14
165
Divide by 5
on both sides
x=
Answer 5 Question 14
33
Check Your Work
A great way to check your work is to substitute back in and make sure the angles’ measures add to 180
like we stated they would. Let’s double check our work.
x+13
Answer 6 Question 14
33
+13
46
And
4x+2
4(
Answer 7 Question 14
33
)+2
134
Do 46+134=180
YES! So we did our work correctly.
Sagot :
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