Question

Find the value is x

Answer 1

$5x + 3x + 20 = 180 \\ 8x = 180 - 20 \\ 8x = 160 \\ x = 160 \div 8 \\ x = 20 \\ therefore \: value \: of \: x \: is \: 20 \: degrees$

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Answer 2

Step-by-step explanation:

We know that,straight line is equal to 180°

=(5x)+(3x+20°)=180°

=8x+20°=180°

=8x=180°-20°

=8x=160°

=x=160/8

=x=20

•The value of x is 20°