s-3+2s=45

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Solution for s-3+2s=45 equation: 


Simplifying
s + -3 + 2s = 45

Reorder the terms:
-3 + s + 2s = 45

Combine like terms: s + 2s = 3s
-3 + 3s = 45

Solving
-3 + 3s = 45

Solving for variable 's'.

Move all terms containing s to the left, all other terms to the right.

Add '3' to each side of the equation.
-3 + 3 + 3s = 45 + 3

Combine like terms: -3 + 3 = 0
0 + 3s = 45 + 3
3s = 45 + 3

Combine like terms: 45 + 3 = 48
3s = 48

Divide each side by '3'.
s = 16

Simplifying
s = 16

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