7+s=3s

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Solution for 7+s=3s equation:


Simplifying
7 + s = 3s

Solving
7 + s = 3s

Solving for variable 's'.

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

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

Combine like terms: s + -3s = -2s
7 + -2s = 3s + -3s

Combine like terms: 3s + -3s = 0
7 + -2s = 0

Add '-7' to each side of the equation.
7 + -7 + -2s = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -2s = 0 + -7
-2s = 0 + -7

Combine like terms: 0 + -7 = -7
-2s = -7

Divide each side by '-2'.
s = 3.5

Simplifying
s = 3.5

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