Solve for x
x=\frac{E+10}{15}
Solve for E
E=15x-10
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15x-10=E
Swap sides so that all variable terms are on the left hand side.
15x=E+10
Add 10 to both sides.
\frac{15x}{15}=\frac{E+10}{15}
Divide both sides by 15.
x=\frac{E+10}{15}
Dividing by 15 undoes the multiplication by 15.
x=\frac{E}{15}+\frac{2}{3}
Divide E+10 by 15.
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