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ivann1987 [24]
2 years ago
6

Could somebody please help me find the answers for 'x' for these pictures?

Mathematics
2 answers:
lesya692 [45]2 years ago
8 0

Answer:

Pic 1: x=31

Pic 2: x=20

Step-by-step explanation:

<u>Picture 1:</u>

<u />2x+x-3=90\\3x-3=90\\3x=93\\x=31

First, add the 2x and x together for 3x

Then add 3 to both sides of the equation

Finally, divide each side by 3.

<u>Picture 2:</u>

<u />7x+x+20=180\\8x+20=180\\8x=160\\x=20<u />

First, add 7x and x together for 8x

Then, minus 20 from both sides of the equation

Finally, divide each side by 8.

allochka39001 [22]2 years ago
6 0

Step-by-step explanation:

First picture

We can make an equation with this

2x+x-3=90

3x=93

x=31 degrees

Second picture

We can make and equation

7x+x+20=180

8x=160

x= 20

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