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2x+13-21*13=2
We simplify the equation to the form, which is simple to understand
2x+13-21*13=2
Simplifying:
2x+13-273=2
We move all terms containing x to the left and all other terms to the right.
+2x=+2-13+273
We simplify left and right side of the equation.
+2x=+262
We divide both sides of the equation by 2 to get x.
x=131
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