document.write( "Question 985394: Insert parentheses to make the expression equal 20 7+3x3-1+7 \n" ); document.write( "
Algebra.Com's Answer #606282 by macston(5194)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "20=7+(3*(3-1))+7 \n" ); document.write( "20=7+(3*2)+7 \n" ); document.write( "20=7+6+7 \n" ); document.write( "20=20 \n" ); document.write( " |