Answer and Step-by-step explanation:
We are given a linear pair. The angles of a linear pair add up to 180.
<u>To find x, add the two angles together and equal it to 180, then solve for x.</u>
126 + x + 23 = 180
<u>Simplify.</u>
149 + x = 180
<u>Subtract both sides of the equation by 149.</u>
x = 31
<u>x = 31 is the answer.</u>
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Answer:
I believe it is 1 hope this helps
Step-by-step explanation:
Answer:
630 just divide 180 by 2, you'll get 90 the multiply it by 7
2(5m+8+9n) is the answer hope this helps