Answer:
a. 2 – 8 - [- 4 – (-6 + 3 -9)] X ( -10 ÷2) suprimir los signos de agrupacion
Explanation:
12/5 miles
3/25=x/20
cross product
25*x=3*20
25x=60
x=60/25
simplify
x=12/5
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