Answer:
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x=2
Step-by-step explanation:
5x +(3-1) =12
5x +2 =12
5x =12-2
5x =10
x =10÷5
x =2
<u>The answer is 900.</u>
(sides-2) x 180
(7-2) x 180
5 x 180
900
B.
no real solutions
2(x + 11) + 5x = 7x - 22
Distribute
2x+22 +5x = 7x -22
Combine like terms
7x +22 = 7x-22
Subtract 7x from each side
7x-7x+22 = 7x-7x-22
22 = -22
This is never true so there are no solutions
x = 12
Angle QPR + Angle PQR = Angle HRQ
