42(x+10)=840

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Solution for 42(x+10)=840 equation: 



42(x+10)=840

We move all terms to the left:

42(x+10)-(840)=0

We multiply parentheses

42x+420-840=0

We add all the numbers together, and all the variables

42x-420=0

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

42x=420

x=420/42

x=10

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