7=-3+0.4x

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Solution for 7=-3+0.4x equation:


7=-3 + 0.4x

We simplify the equation to the form, which is simple to understand 
7=-3 + 0.4x

We move all terms containing x to the left and all other terms to the right. 
-0.4x=-3-7

We simplify left and right side of the equation. 
-0.4x=-10

We divide both sides of the equation by -00.4 to get x. 
x=25

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