document.write( "Question 1204585: The order of operations is used to solve the expression\r
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document.write( "6 + 42 ÷ 2 - 15 = 12\r
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document.write( "I thought the answer was 9 because I added 6 + 42 which is 48. Then I divided 48 by 2 which is 24. I then subtracted 15 from 24 which is 9. I added first because I thought the PEMDAS was to be solved from left to right. \n" );
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Algebra.Com's Answer #840916 by math_tutor2020(3817)![]() ![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "There's not much to mention that hasn't been said by the other tutors.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "However, let's focus on the 6 + 42 ÷ 2 portion.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "That is of the template A + B \n" ); document.write( "A = 6 \n" ); document.write( "B = 42 ÷ 2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Recall that we can add two numbers in any order. \n" ); document.write( "Example: 2+3 = 5 and 3+2 = 5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So the A + B is the same as B + A, which means 6 + 42 ÷ 2 flips to 42 ÷ 2 + 6\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "This might help show you that the 42 ÷ 2 portion is the first thing to be evaluated. \n" ); document.write( " \n" ); document.write( " |