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2x+19=3x-21
We simplify the equation to the form, which is simple to understand
2x+19=3x-21
We move all terms containing x to the left and all other terms to the right.
+2x-3x=-21-19
We simplify left and right side of the equation.
-1x=-40
We divide both sides of the equation by -1 to get x.
x=40
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