10s+21-12=

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Solution for 10s+21-12= equation:


10s+21-12=0

We simplify the equation to the form, which is simple to understand 
10s+21-12=0

We move all terms containing s to the left and all other terms to the right. 
+10s=0-21+12

We simplify left and right side of the equation. 
+10s=-9

We divide both sides of the equation by 10 to get s. 
s=-0.9

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