10s+4s+12s-9s-13s-18=18

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Solution for 10s+4s+12s-9s-13s-18=18 equation:


Simplifying
10s + 4s + 12s + -9s + -13s + -18 = 18

Reorder the terms:
-18 + 10s + 4s + 12s + -9s + -13s = 18

Combine like terms: 10s + 4s = 14s
-18 + 14s + 12s + -9s + -13s = 18

Combine like terms: 14s + 12s = 26s
-18 + 26s + -9s + -13s = 18

Combine like terms: 26s + -9s = 17s
-18 + 17s + -13s = 18

Combine like terms: 17s + -13s = 4s
-18 + 4s = 18

Solving
-18 + 4s = 18

Solving for variable 's'.

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

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

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

Combine like terms: 18 + 18 = 36
4s = 36

Divide each side by '4'.
s = 9

Simplifying
s = 9

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