document.write( "Question 107259: The first angle of a triangle is 15 degrees more than the second triangle. The third angle of a triangle is three times the second angle. Use x to represent the unknown Value.\r
\n" ); document.write( "\n" ); document.write( "? The first angle
\n" ); document.write( "? the second angle
\n" ); document.write( "? the third angle
\n" ); document.write( "

Algebra.Com's Answer #78061 by scott8148(6628)\"\" \"About 
You can put this solution on YOUR website!
let x=second, so x+15=first and 3x=third\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "x+(x+15)+(3x)=180
\n" ); document.write( "
\n" );