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2. Re: solving equation

This equation has already been solved for you, it seems. What is the actual question?

3. Re: solving equation

Sorry ,replace 0 in right hand by x

4. Re: solving equation

The equation is $\displaystyle \frac{12+144+20+3\sqrt{4}}{7}+5 \times 11 = 9^2+x$.

1) Subtract $\displaystyle 9^2$ from both sides.

2)Simplify the L.H.S