30-2s=45

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Solution for 30-2s=45 equation: 


Simplifying
30 + -2s = 45

Solving
30 + -2s = 45

Solving for variable 's'.

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

Add '-30' to each side of the equation.
30 + -30 + -2s = 45 + -30

Combine like terms: 30 + -30 = 0
0 + -2s = 45 + -30
-2s = 45 + -30

Combine like terms: 45 + -30 = 15
-2s = 15

Divide each side by '-2'.
s = -7.5

Simplifying
s = -7.5

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