document.write( "Question 301255: Square root 2x+7= Square root 5x-8 \n" ); document.write( "
Algebra.Com's Answer #216040 by checkley77(12844) ![]() You can put this solution on YOUR website! Square root 2x+7= Square root 5x-8 \n" ); document.write( "square both sides. \n" ); document.write( "2x+7=5x-8 \n" ); document.write( "2x-5x=-8-7 \n" ); document.write( "-3x=-15 \n" ); document.write( "x=-15/-3 \n" ); document.write( "x=5 ans. \n" ); document.write( "Proof: \n" ); document.write( "sqrt(2*5+7)=sqrt(5*5-8) \n" ); document.write( "sqrt(10+7)=sqrt(25-8) \n" ); document.write( "sqrt17=sqrt17 \n" ); document.write( " |