4x+21=-7x-15

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Solution for 4x+21=-7x-15 equation:


4x+21=-7x-15

We simplify the equation to the form, which is simple to understand 
4x+21=-7x-15

We move all terms containing x to the left and all other terms to the right. 
+4x+7x=-15-21

We simplify left and right side of the equation. 
+11x=-36

We divide both sides of the equation by 11 to get x. 
x=-3.27272727273

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