Answer:
4+[8 ÷(8-7) +6 -12] . 10
4+[8÷1+6-12].10
4+[8+6-12].10
4+[14-12].10
4+2×10
4+20
24
First do inside the parentheses:
4 + [8/1 + 6-12] . 10
Now work inside the brackets doing division first
4 + [8 + 6 -12]. 10
Still inside the brackets add an subtract from left to right:
4 + 2 . 10
Multiply:
4 + 20
Add to get final answer of 24
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