121=s+(s+45)

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Solution for 121=s+(s+45) equation:


121=s+(s+45)

We simplify the equation to the form, which is simple to understand 
121=s+(s+45)

Remove unnecessary parentheses
+121=+s+s+45

We move all terms containing s to the left and all other terms to the right. 
-1s-1s=+45-121

We simplify left and right side of the equation. 
-2s=-76

We divide both sides of the equation by -2 to get s. 
s=38

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