21x+84=210

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Solution for 21x+84=210 equation:



21x+84=210
We move all terms to the left:
21x+84-(210)=0
We add all the numbers together, and all the variables
21x-126=0
We move all terms containing x to the left, all other terms to the right
21x=126
x=126/21
x=6

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