8x+21=-4x-3

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Solution for 8x+21=-4x-3 equation:


8x+21=-4x-3

We simplify the equation to the form, which is simple to understand 
8x+21=-4x-3

We move all terms containing x to the left and all other terms to the right. 
+8x+4x=-3-21

We simplify left and right side of the equation. 
+12x=-24

We divide both sides of the equation by 12 to get x. 
x=-2

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