Answer:
The expression equivalent to 486-9+6+3^*2 is 500-7+6+5^*2
Step-by-step explanation:
486-9+6+3^*2 = 500-7+6+5^*2
486-9+6+9 = 500-7+6+25
486-24 = 500-38
462 = 462
check attached file it has the answers
3x =-18
X= -12
10
Seeing the 5 12 13 triple you get 1/2x=5 so
x=10
2e+13
