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What is the value of x? Mathematics*
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What is the value of x?
Mathematics*

What is the value of x? Mathematics*-example-1
User Raj Sf
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Complementary angles mean that they add up to 90 degrees. Set up an algebraic equation like this:
42+3x=90
subtract 42 on each side:
3x=48
divide by three on each side:
x=16
User DuckMaestro
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