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1.28=x*50/12
We move all terms to the left:
1.28-(x*50/12)=0
We add all the numbers together, and all the variables
-(+x*50/12)+1.28=0
We get rid of parentheses
-x*50/12+1.28=0
We multiply all the terms by the denominator
-x*50+(1.28)*12=0
We add all the numbers together, and all the variables
-x*50+15.36=0
Wy multiply elements
-50x+15.36=0
We move all terms containing x to the left, all other terms to the right
-50x=-15.36
x=-15.36/-50
x=2.865671641791/9.3283582089552
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