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-1.29=-0.5(x-20/5)
We move all terms to the left:
-1.29-(-0.5(x-20/5))=0
We add all the numbers together, and all the variables
-(-0.5(x-4))-1.29=0
We calculate terms in parentheses: -(-0.5(x-4)), so:We get rid of parentheses
-0.5(x-4)
We multiply parentheses
-0.5x+2
Back to the equation:
-(-0.5x+2)
0.5x-2-1.29=0
We add all the numbers together, and all the variables
0.5x-3.29=0
We move all terms containing x to the left, all other terms to the right
0.5x=3.29
x=3.29/0.5
x=6+0.29/0.5
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