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Find the value of x 7x° (x+20)°
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Find the value of x 7x° (x+20)°

Find the value of x 7x° (x+20)°-example-1
User Toothful
by
8.1k points

2 Answers

4 votes
the value of x will equal 20

User Alexeypro
by
7.6k points
3 votes
the angles are supplementary angles.
Straight angle is 180°

7x+x+20=180
like terms
8x+20=180
Subtract
8x=160
Divide
x=20

The first angle (7x) is 140
7(20)= 140

and the second angle is(x+20) is 40
20+20=40

hope this helps
User Xach
by
8.2k points
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