-21x=42

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Solution for -21x=42 equation:


-21x=42

We simplify the equation to the form, which is simple to understand 
-21x=42

We move all terms containing x to the left and all other terms to the right. 
-21x=+42

We simplify left and right side of the equation. 
-21x=+42

We divide both sides of the equation by -21 to get x. 
x=-2

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