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7a/2+1=18
We simplify the equation to the form, which is simple to understand
7a/2+1=18
Simplifying:
+3.5a+1=18
We move all terms containing a to the left and all other terms to the right.
+3.5a=+18-1
We simplify left and right side of the equation.
+3.5a=+17
We divide both sides of the equation by 3.5 to get a.
a=4.85714285714
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