Assuming you meant 2x−4 divided by 5 =x+4, the answer would be x=-8
If you just meant 2x−45=x+4, it'd be x=49.
I hope this helps, have a nice day!
2x - 45 = x +4
Add 45 to each side:
2x = x + 49
Subtract 1x from each side:
x = 49
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