0.7x+1.4=4.2

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Solution for 0.7x+1.4=4.2 equation: 



0.7x+1.4=4.2

We move all terms to the left:

0.7x+1.4-(4.2)=0

We add all the numbers together, and all the variables

0.7x-2.8=0

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

0.7x=2.8

x=2.8/0.7

x=4

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