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12.50=x(12.79)+(1-x(10.54))
We move all terms to the left:
12.50-(x(12.79)+(1-x(10.54)))=0
We add all the numbers together, and all the variables
-(x(12.79)+(1-x(10.54)))+12.5=0
We calculate terms in parentheses: -(x(12.79)+(1-x(10.54))), so:We get rid of parentheses
x(12.79)+(1-x(10.54))
We multiply parentheses
12.79x+(1-x(10.54))
We calculate terms in parentheses: +(1-x(10.54)), so:We get rid of parentheses
1-x(10.54)
determiningTheFunctionDomain -x(10.54)+1
We multiply parentheses
-10.54x+1
Back to the equation:
+(-10.54x+1)
12.79x-10.54x+1
We add all the numbers together, and all the variables
2.25x+1
Back to the equation:
-(2.25x+1)
-2.25x-1+12.5=0
We add all the numbers together, and all the variables
-2.25x+11.5=0
We move all terms containing x to the left, all other terms to the right
-2.25x=-11.5
x=-11.5/-2.25
x=5+0.25/2.25
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