3 years ago

Solve for x please help

Mathematics

1 answer:

34kurt3 years ago

4 0

Answer:

x = 9

Step-by-step explanation:

By remote exterior angle theorem:

$(12x + 14)\degree = (1 + 5x) \degree+ 76 \degree \\ 12x + 14 = 1 + 5x + 76 \\ 12x - 5x = 77 - 14 \\ 7x = 63 \\x = \frac{63}{7} \\ \huge \red{ \boxed{ x = 9}}$

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