Answer:
To solve the equation 8x+16+9x+11=180, add 8x and 9x to both sides to get 17x+27=180. Subtract 27 from both sides to get 17x=153. Divide both sides by 17 to get x=9.
x = 9
Explanation:
(8x+16) + (9x+11) = 180
17x + 27 = 180
180 - 27 = 153
17x = 153
153/17 = 9
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