-0.7x-2.1x+7=0

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Solution for -0.7x-2.1x+7=0 equation:


-0.7x-2.1x+7=0

We simplify the equation to the form, which is simple to understand 
-0.7x-2.1x+7=0

We move all terms containing x to the left and all other terms to the right. 
-0.7x-2.1x=0-7

We simplify left and right side of the equation. 
-2.8x=-7

We divide both sides of the equation by -2.8 to get x. 
x=2.5

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