document.write( "Question 1024202: angle X is 12 degrees greater than angle Y. If together they make 90 degrees. Write and solve an equation that shows the value of angle X? \n" ); document.write( "
Algebra.Com's Answer #639655 by addingup(3677)\"\" \"About 
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x=y+12
\n" ); document.write( "x+y = 90 substitute for x:
\n" ); document.write( "y+12+y = 90
\n" ); document.write( "2y+12 = 90
\n" ); document.write( "2y = 78
\n" ); document.write( "y = 39
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\n" ); document.write( "Check:
\n" ); document.write( "39+(39+12)= 39+51= 90 Correct.
\n" ); document.write( "J
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