2 years ago

Can someone help plz

Mathematics

1 answer:

Ksenya-84 [330]2 years ago

7 0

Answer: x=-7

Step-by-step explanation:

1) The angles of a triangle are equal to 180

2) Add your angles together and set them equal to 180 like this:

x+59+x+51+84=180

3) Combine like terms:

2x+ 194 =180

4) Subtract 195 from both sides:

2x+ 194 =180

- 194 -194

2x = -14

5) Divide by 2 on both sides

2x= -14

/2 /2

x= -7

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