21x=5*4x-3

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Solution for 21x=5*4x-3 equation:


21x=5*4x-3

We simplify the equation to the form, which is simple to understand 
21x=5*4x-3

We move all terms containing x to the left and all other terms to the right. 
+21x-20x=-3

We simplify left and right side of the equation. 
+1x=-3

We divide both sides of the equation by 1 to get x. 
x=-3

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