7x+21+2x=-49

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Solution for 7x+21+2x=-49 equation: 



7x+21+2x=-49

We move all terms to the left:

7x+21+2x-(-49)=0

We add all the numbers together, and all the variables

9x+70=0

We move all terms containing x to the left, all other terms to the right

9x=-70

x=-70/9

x=-7+7/9

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