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mariarad [96]
3 years ago
10

Solve for the value of x

Mathematics
2 answers:
xeze [42]3 years ago
5 0
The sum of a triangle is 180 degrees so the value for x would be 9
Delvig [45]3 years ago
3 0
A sum of the angles of a triangle will always be 180 degrees total.

50 + 50 + 9x - 1 = 180
100 + 9x - 1 = 180
99 + 9x = 180
Subtract 99 from both sides.
9x = 81
Divide each side by 9.
x = 9

Answer: x = 9
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