line up the numbers = 12.54
+ 4.40=16.94
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The first step is produce the radical equation that needs solving.
The difference is that first you have to understand the problem and translate it into an equation (or equations).
In a two step equation, you need to do another step.
The first step is to include an equality sign in it otherwise it is not an equation. If you mean: 4x = 1-11 then 4x = -10 and x = -10/4 So then: x = -2.5
Subtract 1 form both sides of the equation