6) mcPOF x + 42, mCPOR - 87°,and mzFOR r + 65. Find x.

Mathematics

1 answer:

Stels [109]3 years ago

6 0

Answer: x = -10 .
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Explanation:
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         x + 42 + x + 65 = 87 ; Solve for "x" ;

           2x + 107 = 87 .

Subtract "107" from each side of the equation:

           2x + 107 − 107 = 87 <span>− 107 ;

             2x = -20 ;

Divide each side of the equation by "2" ; to isolate "x" on one side of the equation; and to solve for "x" ;
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             2x / 2 = -20/2 ;

                 x = -10 .
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