Question

(X + 20) ( - 70) are the measure of supplementary angle?​

Answer 1

X+20 (-70)=180

Step-by-step explanation:

70x-140=180

70x=40

x=70/40

x=7/4

so it is not a supplementary angle

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Answer 2

Answer:

x=115

Step-by-step explanation:

x+20+x-70=180 degrees

= 2x+20 -70= 180 degrees

= 2x = 180- 20+70

= 2x = 230

x = 230/2 =115

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