s+2s+s+30=102

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Solution for s+2s+s+30=102 equation:


Simplifying
s + 2s + s + 30 = 102

Reorder the terms:
30 + s + 2s + s = 102

Combine like terms: s + 2s = 3s
30 + 3s + s = 102

Combine like terms: 3s + s = 4s
30 + 4s = 102

Solving
30 + 4s = 102

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 + 4s = 102 + -30

Combine like terms: 30 + -30 = 0
0 + 4s = 102 + -30
4s = 102 + -30

Combine like terms: 102 + -30 = 72
4s = 72

Divide each side by '4'.
s = 18

Simplifying
s = 18

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