7a=-50.4

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Solution for 7a=-50.4 equation: 



7a=-50.4

We move all terms to the left:

7a-(-50.4)=0

We add all the numbers together, and all the variables

7a+50.4=0

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

7a=-50.4

a=-50.4/7

a=-7+1/5

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