7.8+s=15

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Solution for 7.8+s=15 equation: 


Simplifying
7.8 + s = 15

Solving
7.8 + s = 15

Solving for variable 's'.

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

Add '-7.8' to each side of the equation.
7.8 + -7.8 + s = 15 + -7.8

Combine like terms: 7.8 + -7.8 = 0.0
0.0 + s = 15 + -7.8
s = 15 + -7.8

Combine like terms: 15 + -7.8 = 7.2
s = 7.2

Simplifying
s = 7.2

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