3s+8=7s-9

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Solution for 3s+8=7s-9 equation:


Simplifying
3s + 8 = 7s + -9

Reorder the terms:
8 + 3s = 7s + -9

Reorder the terms:
8 + 3s = -9 + 7s

Solving
8 + 3s = -9 + 7s

Solving for variable 's'.

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

Add '-7s' to each side of the equation.
8 + 3s + -7s = -9 + 7s + -7s

Combine like terms: 3s + -7s = -4s
8 + -4s = -9 + 7s + -7s

Combine like terms: 7s + -7s = 0
8 + -4s = -9 + 0
8 + -4s = -9

Add '-8' to each side of the equation.
8 + -8 + -4s = -9 + -8

Combine like terms: 8 + -8 = 0
0 + -4s = -9 + -8
-4s = -9 + -8

Combine like terms: -9 + -8 = -17
-4s = -17

Divide each side by '-4'.
s = 4.25

Simplifying
s = 4.25

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