document.write( "Question 334747: help! \n" ); document.write( "

Algebra.Com's Answer #239926 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"A%2BB=90\"$
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\n" ); document.write( " $\"A=4B\"$
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\n" ); document.write( "Substitute into the first equation and solve for B.
\n" ); document.write( " $\"4B%2BB=90\"$
\n" ); document.write( " $\"5B=90\"$
\n" ); document.write( " $\"B=18\"$
\n" ); document.write( "Then solve for A.
\n" ); document.write( " $\"A=4B=4%2818%29=72\"$
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\n" ); document.write( "A is 72 degrees, B is 18 degrees. \n" ); document.write( "

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