document.write( "Question 630700: im a parent trying to help my son figure out the process of getting to the right answer for this equation, 9b+6-5b=18 then the teacher shows b=3 i did the problem just like the example but can't figure out where the 3 comes from i was able to see how the answer for the example came about. Another equation is 2y-7+y=8 please help so i can explain to my son thanks \n" ); document.write( "
Algebra.Com's Answer #397083 by nerdybill(7384)\"\" \"About 
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im a parent trying to help my son figure out the process of getting to the right answer for this equation, 9b+6-5b=18 then the teacher shows b=3 i did the problem just like the example but can't figure out where the 3 comes from i was able to see how the answer for the example came about. Another equation is 2y-7+y=8 please help so i can explain to my son thanks
\n" ); document.write( ".
\n" ); document.write( "9b+6-5b=18
\n" ); document.write( "combining b's on the left:
\n" ); document.write( "4b+6=18
\n" ); document.write( "subtracting 6 from both sides:
\n" ); document.write( "4b+6-6=18-6
\n" ); document.write( "4b=12
\n" ); document.write( "dividing both sides by 4:
\n" ); document.write( "(4b)/4 = 12/4
\n" ); document.write( "b = 3
\n" ); document.write( ".
\n" ); document.write( "2y-7+y=8
\n" ); document.write( "combining y's on the left:
\n" ); document.write( "3y-7=8
\n" ); document.write( "add 7 to both sides:
\n" ); document.write( "3y-7+7=8+7
\n" ); document.write( "3y=15
\n" ); document.write( "dividing both sides by 3:
\n" ); document.write( "(3y)/3=15/3
\n" ); document.write( "y = 5
\n" ); document.write( " \n" ); document.write( "
\n" );