document.write( "Question 71386: How doe you solve these 4/a-7=-2a/a+3 \n" ); document.write( "
Algebra.Com's Answer #51062 by checkley75(3666) ![]() You can put this solution on YOUR website! \n" ); document.write( "SUGGESTION: IN THE FUTURE USE () MORE FREQUENTLY IN THESE TYPE OF PROBLEMS. \n" ); document.write( "------------------------------------------------------------------------- \n" ); document.write( "if this problem is 4/(a-7)=-2a/(a+3) then just cross multiply \n" ); document.write( "4(a+3)=-2a(a-7) \n" ); document.write( "4a+12=-2a^2+14a \n" ); document.write( "2a^2+4a-14a+12=0 \n" ); document.write( "2a^2-10a+12=0 \n" ); document.write( "a^2-5a+6=0 \n" ); document.write( "(a-3)(a-2)=0 \n" ); document.write( "a-3=0 \n" ); document.write( "a=3 answer \n" ); document.write( "a-2=0 \n" ); document.write( "a=2 answer \n" ); document.write( "-------------------------------------------------------- \n" ); document.write( "or (4/a)-7=(-2a/a)+3 \n" ); document.write( "(4-7a)/a=-2+3 \n" ); document.write( "(4-7a)/a=1 \n" ); document.write( "a=4-7a \n" ); document.write( "a+7a=4 \n" ); document.write( "8a=4 \n" ); document.write( "a=4/8 \n" ); document.write( "a=1/2 answer \n" ); document.write( " \n" ); document.write( " |