4x-3=x-21

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Solution for 4x-3=x-21 equation:


4x-3=x-21

We simplify the equation to the form, which is simple to understand 
4x-3=x-21

We move all terms containing x to the left and all other terms to the right. 
+4x-1x=-21+3

We simplify left and right side of the equation. 
+3x=-18

We divide both sides of the equation by 3 to get x. 
x=-6

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