Help!! The equation x + (x + 10) = 90 is used to describe a pair of complementary angles. What is the value of x?

Question

Help!!

The equation x + (x + 10) = 90 is used to describe a pair of complementary
angles. What is the value of x?

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Josie 2 weeks 2021-09-11T21:40:26+00:00 2 Answers 0

Answers ( )

    0
    2021-09-11T21:41:42+00:00

    Answer:

    x=40

    Step-by-step explanation:

    40+(40+10)=90   correct

    0
    2021-09-11T21:41:49+00:00

    Answer:

    x = 40

    Step-by-step explanation:

    2x + 10 = 90

    2x = 80

    x = 40

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45:7+7-4:2-5:5*4+35:2 =? ( )