3+.5x=7

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Solution for 3+.5x=7 equation: 



3+.5x=7

We move all terms to the left:

3+.5x-(7)=0

We add all the numbers together, and all the variables

.5x-4=0

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

.5x=4

x=4/.5

x=8

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