7+7s=2.8

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Solution for 7+7s=2.8 equation: 


Simplifying
7 + 7s = 2.8

Solving
7 + 7s = 2.8

Solving for variable 's'.

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

Add '-7' to each side of the equation.
7 + -7 + 7s = 2.8 + -7

Combine like terms: 7 + -7 = 0
0 + 7s = 2.8 + -7
7s = 2.8 + -7

Combine like terms: 2.8 + -7 = -4.2
7s = -4.2

Divide each side by '7'.
s = -0.6

Simplifying
s = -0.6

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