7+.40x=1

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Solution for 7+.40x=1 equation: 



7+.40x=1

We move all terms to the left:

7+.40x-(1)=0

We add all the numbers together, and all the variables

.40x+6=0

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

.40x=-6

x=-6/.40

x=-15

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