Answer:
x = 36
Explanation:
Add 24 to 12 because 24 is minus, so when it is moved to the other side of the equation it is plus.
36
you have to isolate your variable. To do this, you add 24 to each side. On the left side its 12+24 and on the right, its 24+(-24) which then equals zero. In simple terms, x=12+24
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