7s-18=-15+4s

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Solution for 7s-18=-15+4s equation:


Simplifying
7s + -18 = -15 + 4s

Reorder the terms:
-18 + 7s = -15 + 4s

Solving
-18 + 7s = -15 + 4s

Solving for variable 's'.

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

Add '-4s' to each side of the equation.
-18 + 7s + -4s = -15 + 4s + -4s

Combine like terms: 7s + -4s = 3s
-18 + 3s = -15 + 4s + -4s

Combine like terms: 4s + -4s = 0
-18 + 3s = -15 + 0
-18 + 3s = -15

Add '18' to each side of the equation.
-18 + 18 + 3s = -15 + 18

Combine like terms: -18 + 18 = 0
0 + 3s = -15 + 18
3s = -15 + 18

Combine like terms: -15 + 18 = 3
3s = 3

Divide each side by '3'.
s = 1

Simplifying
s = 1

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