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Answered

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please help and give step by step explanation thank you

Please Help And Give Step By Step Explanation Thank You class=

Sagot :

angle46089

Answer:

x = 40

Step-by-step explanation:

(3x + 5) + (x + 15) = 180

3x + 5 + x + 15 = 180

4x + 20 = 180

      -20    -20

4x = 160

÷4      ÷4

x = 40

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