3.7x-2.1(x-1)=7.8

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Solution for 3.7x-2.1(x-1)=7.8 equation: 



3.7x-2.1(x-1)=7.8

We move all terms to the left:

3.7x-2.1(x-1)-(7.8)=0

We add all the numbers together, and all the variables

3.7x-2.1(x-1)-7.8=0

We multiply parentheses

3.7x-2.1x+2.1-7.8=0

We add all the numbers together, and all the variables

1.6x-5.7=0

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

1.6x=5.7

x=5.7/1.6

x=3+0.9/1.6

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