0.3r+2.3=0.2r-(-0.4)

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Solution for 0.3r+2.3=0.2r-(-0.4) equation:


0.3r+2.3=0.2r-(-0.4)

We simplify the equation to the form, which is simple to understand 
0.3r+2.3=0.2r-(-0.4)

Remove unnecessary parentheses
0.3r+2.3=0.2r + 0.4

We move all terms containing r to the left and all other terms to the right. 
 + 0.3r-0.2r=0.4-2.3

We simplify left and right side of the equation. 
 + 0.1r=-1.9

We divide both sides of the equation by 0.1 to get r. 
r=-19

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