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Alenkinab [10]
3 years ago
13

Analyze the diagram below and complete the instruction that follow.

Mathematics
2 answers:
Gnoma [55]3 years ago
5 0

<u>Answer:</u>

10

<u>Step-by-step explanation:</u>

We are given a diagram which we are to analyze and and solve for x.

We can see the a straight line is intersected by another line thus forming two angles which are supplementary. It means that the sum of these angles is equal to 180 degree.

So we can write them as:

( 7 x - 3 ) + ( 12 x - 7 ) = 180 \\\\ 12 x + 7 x = 180 + 3 + 7 \\\\ 19 x = 190 \\\\ x = \frac { 190 } { 19 }\\\\ x = 10

Therefore, the correct answer option is 10.

monitta3 years ago
3 0

Answer:

x=10

Step-by-step explanation:

The two angles form a straight line so they add to 180 degrees

7x-3 + 12x-7 = 180

Combine like terms

19x-10 = 180

Add 10 to each side

19x-10+10 = 180+10

19x = 190

Divide by 19

19x/19 = 190/19

x= 10

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