You need to get the X by itself. To do that, we have to make that -3 be 0. What can we do to -3 to get 0? Add 3. But whatever you do to one side, you have to do to the other, so we have X=-1 + 4 + 3. Now we can just solve! 4 + 3 =7 and 7 - 1 = 6. Your answer is 6.
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