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2 years ago

Helpppppppppppppp!!!!

Mathematics

1 answer:

Vinil7 [7]2 years ago

7 0

Answer:

x = 49

Step-by-step explanation:

The two interior angles added together equal the exterior angle.

Make an equation and solve for x.

x - 4 + 2x + 10 = 153

3x + 6 = 153

3x + 6 - 6 = 153 - 6

3x = 147

3x/3 = 147/3

x = 49

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I don't see a mistake. You solve in parentheses first, then you solve exponents. If the exponent is 0 in this context, the answer would be 0.

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