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Naya [18.7K]
3 years ago
8

If 7 || m, find the value of x (9x - 4)' Us 4+ (5x + 16)"

Mathematics
2 answers:
KonstantinChe [14]3 years ago
7 0

Answer:

Step-by-step explanation:

9x - 4 + 5x + 16 = 180

14x + 12 = 180

14x = 168

x = 12

dmitriy555 [2]3 years ago
6 0

Answer:

x=12

Step-by-step explanation:

We know that \ell\parallel m.

Then by the properties of a transversal cutting a pair of parallel lines, we can write:

(9x-4)+(5x+16)=180

The property used here is the Consecutive Angles Property. The two consecutive angles are supplementary.

Now, we can solve for <em>x</em>. Rearrange:

(9x+5x)+(-4+16)=180

Combine like terms:

14x+12=180

Subtract 12 from both sides:

14x=168

Divide both sides by 14:

x=12

So, the value of <em>x</em> is 12.

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