4x + 5 = -7
4x + 5 - 5 = -7 - 5
4x = -13
4x/4 = -13/4
x = -13/4
Edit: DERP DERP DERP DERP.
The point is the answer is -3.
English
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7+5 is 12...
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How did you get -7-5 to be -13?
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Sorry, it should be -12. Derp Derp Derp.
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It's ok if anything I was thinking I was seeing things since you are normally right.
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I'm having difficulty thinking of a good way to point fun at your mistake.
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-7 - 5 = -12 silly. :P