x - (-5) = -2
It is equivalent to
x + 5 = -2.
subtract the number of 5 from both sides. You will get
x + 5 - 5 = -2 - 5, or (after combining like terms)
x = -7.
Thus you solved the problem, and your answer is x= -7.
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- HOW TO solve a linear equation
in this site.