2s+30=4s+72

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Solution for 2s+30=4s+72 equation:


Simplifying
2s + 30 = 4s + 72

Reorder the terms:
30 + 2s = 4s + 72

Reorder the terms:
30 + 2s = 72 + 4s

Solving
30 + 2s = 72 + 4s

Solving for variable 's'.

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

Add '-4s' to each side of the equation.
30 + 2s + -4s = 72 + 4s + -4s

Combine like terms: 2s + -4s = -2s
30 + -2s = 72 + 4s + -4s

Combine like terms: 4s + -4s = 0
30 + -2s = 72 + 0
30 + -2s = 72

Add '-30' to each side of the equation.
30 + -30 + -2s = 72 + -30

Combine like terms: 30 + -30 = 0
0 + -2s = 72 + -30
-2s = 72 + -30

Combine like terms: 72 + -30 = 42
-2s = 42

Divide each side by '-2'.
s = -21

Simplifying
s = -21

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