Asked by jack

simplify 8/2 + 9 (12 divided by 3x2)-7 explain each of your steps i thought it was 1
Answered by Reiny
rewriting this:
8/2 + 9 (12 ÷ 3(2) ) - 7
= 4 + 9(4)(2) - 7
= 4 + 72 - 7
= 69

according to the order of operation rules, multiplication and division is performed in the order they come from left to right

verification:
https://www.google.ca/search?source=hp&q=8%2F2+%2B+9+%2812+%C3%B7+3%282%29+%29+-+7&oq=8%2F2+%2B+9+%2812+%C3%B7+3%282%29+%29+-+7&gs_l=psy-ab.3..33i22i29i30k1l3.2669.2669.0.5440.3.2.0.0.0.0.313.604.2-1j1.2.0....0...1.2.64.psy-ab..1.2.604.6..35i39k1.keK9-M2pCMo

http://www.wolframalpha.com/input/?i=8%2F2+%2B+9+(12+%C3%B7+3(2)+)+-+7
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