Solve for a 70-a=12

Math
70-a=12
Move all terms not containing a to the right side of the equation.
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Subtract 70 from both sides of the equation.
-a=12-70
Subtract 70 from 12.
-a=-58
-a=-58
Multiply each term in -a=-58 by -1
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Multiply each term in -a=-58 by -1.
(-a)⋅-1=(-58)⋅-1
Multiply (-a)⋅-1.
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Multiply -1 by -1.
1a=(-58)⋅-1
Multiply a by 1.
a=(-58)⋅-1
a=(-58)⋅-1
Multiply -58 by -1.
a=58
a=58
Solve for a 70-a=12

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