20s-s+-15=4

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Solution for 20s-s+-15=4 equation:


Simplifying
20s + -1s + -15 = 4

Reorder the terms:
-15 + 20s + -1s = 4

Combine like terms: 20s + -1s = 19s
-15 + 19s = 4

Solving
-15 + 19s = 4

Solving for variable 's'.

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

Add '15' to each side of the equation.
-15 + 15 + 19s = 4 + 15

Combine like terms: -15 + 15 = 0
0 + 19s = 4 + 15
19s = 4 + 15

Combine like terms: 4 + 15 = 19
19s = 19

Divide each side by '19'.
s = 1

Simplifying
s = 1

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