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Mathematics 17 Online
OpenStudy (anonymous):

What does it mean for addition and subtraction to have the same precedence in order of operations? A student was given the problem (3 x 6) – 2 +6 and asked to evaluate. The student’s answer was 10, what did he do wrong?

OpenStudy (aripotta):

the student did (3 x 6) and -(2 + 6) which would be (18) - (8) = 10. but he/she should have done (3 x 6) and (-2 + 6) which would be (18) + (4) = 22

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