Question

Simplify [15= 3+10{60-8=4+3 (5 of 3-7)}]​

Answer 1

5 OF 3-7=5×-4= -20. then ,60-2+3=63-2=》61

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Answer 2

Step-by-step explanation:

15= 3+10(60-8=4+3(5(-4)))

15=3+10(60-8=4+3(-20))

15=3+10(60-8=7(-20))

15=3+10(60-8=-140)

15=523=-140

538=-140

answer is 538+140

so 578.