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x+6.9=13.0
We simplify the equation to the form, which is simple to understand
x+6.9=13.0
We move all terms containing x to the left and all other terms to the right.
+1x=+13-6.9
We simplify left and right side of the equation.
+1x=+6.1
We divide both sides of the equation by 1 to get x.
x=6.1
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