12+0.4r=-12

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Solution for 12+0.4r=-12 equation:


12 + 0.4r=-12

We simplify the equation to the form, which is simple to understand 
12 + 0.4r=-12

We move all terms containing r to the left and all other terms to the right. 
 + 0.4r=-12-12

We simplify left and right side of the equation. 
 + 0.4r=-24

We divide both sides of the equation by 0.4 to get r. 
r=-60

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