4s-15=-42+s

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Solution for 4s-15=-42+s equation:


Simplifying
4s + -15 = -42 + s

Reorder the terms:
-15 + 4s = -42 + s

Solving
-15 + 4s = -42 + s

Solving for variable 's'.

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

Add '-1s' to each side of the equation.
-15 + 4s + -1s = -42 + s + -1s

Combine like terms: 4s + -1s = 3s
-15 + 3s = -42 + s + -1s

Combine like terms: s + -1s = 0
-15 + 3s = -42 + 0
-15 + 3s = -42

Add '15' to each side of the equation.
-15 + 15 + 3s = -42 + 15

Combine like terms: -15 + 15 = 0
0 + 3s = -42 + 15
3s = -42 + 15

Combine like terms: -42 + 15 = -27
3s = -27

Divide each side by '3'.
s = -9

Simplifying
s = -9

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