\[2x+5=1\]
1
Subtract 55 from both sides.
2x=1−52x=1-5

2
Simplify  1−51-5  to  −4-4.
2x=−42x=-4

3
Divide both sides by 22.
x=−42x=-\frac{4}{2}

4
Simplify  42\frac{4}{2}  to  22.
x=−2x=-2

Done

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