9x+210=4x=140

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Solution for 9x+210=4x=140 equation: 



9x+210=4x=140

We move all terms to the left:

9x+210-(4x)=0

We add all the numbers together, and all the variables

5x+210=0

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

5x=-210

x=-210/5

x=-42

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