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2x + 0.8=5
We simplify the equation to the form, which is simple to understand
2x + 0.8=5
We move all terms containing x to the left and all other terms to the right.
+2x=+5-0.8
We simplify left and right side of the equation.
+2x=+4.2
We divide both sides of the equation by 2 to get x.
x=2.1
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