19=0.4x+3

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Solution for 19=0.4x+3 equation:



19=0.4x+3
We move all terms to the left:
19-(0.4x+3)=0
We get rid of parentheses
-0.4x-3+19=0
We add all the numbers together, and all the variables
-0.4x+16=0
We move all terms containing x to the left, all other terms to the right
-0.4x=-16
x=-16/-0.4
x=+40

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