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x+2.8=8.4
We simplify the equation to the form, which is simple to understand
x+2.8=8.4
We move all terms containing x to the left and all other terms to the right.
+1x=+8.4-2.8
We simplify left and right side of the equation.
+1x=+5.6
We divide both sides of the equation by 1 to get x.
x=5.6
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