document.write( "Question 346201: angle a and angle b are supplementary angles and angle a is 30 degrees less than four times angle b. find the measures of angle a and angle b \n" ); document.write( "

Algebra.Com's Answer #247589 by Fombitz(32388) $\"\"$ $\"About$

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By definition,
\n" ); document.write( " $\"A%2BB=180\"$
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\n" ); document.write( " $\"A=4B-30\"$
\n" ); document.write( "Substitute,
\n" ); document.write( " $\"4B-30%2BB=180\"$
\n" ); document.write( " $\"5B-30=180\"$
\n" ); document.write( "Solve for $\"B\"$ , then go back and solve for $\"A\"$ .
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