3[s-10]=15

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Solution for 3[s-10]=15 equation: 


Simplifying
3[s + -10] = 15

Reorder the terms:
3[-10 + s] = 15
[-10 * 3 + s * 3] = 15
[-30 + 3s] = 15

Solving
-30 + 3s = 15

Solving for variable 's'.

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

Add '30' to each side of the equation.
-30 + 30 + 3s = 15 + 30

Combine like terms: -30 + 30 = 0
0 + 3s = 15 + 30
3s = 15 + 30

Combine like terms: 15 + 30 = 45
3s = 45

Divide each side by '3'.
s = 15

Simplifying
s = 15

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