How do you simplify #8 + 7 [24 - (12 + 2)]# using PEMDAS?

1 Answer
Sheffy
Apr 8, 2016

87

Explanation:

Start with the inner-most bracket:

#8+7[24-color(red)((12+2))]#

#8+7[24-14]#

Next, work out the outer or the square bracket:

#8+7color(red)([24-14])#

#8+7[10] => 8+7xx 10#

Multiplication is followed by addition:

#8+color(red)(7xx10#

#=color(red)(8+70)#

#=87#

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