-12r+4-15r=25

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Solution for -12r+4-15r=25 equation:


-12r+4-15r=25

We simplify the equation to the form, which is simple to understand 
-12r+4-15r=25

We move all terms containing r to the left and all other terms to the right. 
-12r-15r=+25-4

We simplify left and right side of the equation. 
-27r=+21

We divide both sides of the equation by -27 to get r. 
r=-0.77777777777778

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