42=4x+2.5

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Solution for 42=4x+2.5 equation: 



42=4x+2.5

We move all terms to the left:

42-(4x+2.5)=0

We get rid of parentheses

-4x-2.5+42=0

We add all the numbers together, and all the variables

-4x+39.5=0

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

-4x=-39.5

x=-39.5/-4

x=9+2.3333333333333/2.6666666666667

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