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4x+5=-4+5
We move all terms to the left:
4x+5-(-4+5)=0
We add all the numbers together, and all the variables
4x+5-1=0
We add all the numbers together, and all the variables
4x+4=0
We move all terms containing x to the left, all other terms to the right
4x=-4
x=-4/4
x=-1
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