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spayn [35]
3 years ago
15

Solve for x in the diagram below. 3x 75° T =

Mathematics
2 answers:
leva [86]3 years ago
7 0
Answer:
3x+75=180
3x=180-75
3x=105
x=105/3
x=35
LiRa [457]3 years ago
3 0

Answer:

x=35

Step-by-step explanation:

The 2 angles are on a straight line together. This means they are supplementary. When they are added together, they must equal 180 degrees.

3x+75=180

We want to find out what n is. In order to do this, we have to get n by itself. Perform the opposite of what is being done to the equation. Keep in mind, everything done to one side, has to be done to the other.

75 is being added to 3x. The opposite of addition is subtraction. Subtract 75 from both sides.

3x+75-75=180-75

3x=180-75

3x=105

x is being multiplied by 3. The opposite of multiplication is division. Divide both sides by 3.

3x/3=105/3

x=105/3

x=35

x is equal to 35.

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