30+5s=20+7s

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Solution for 30+5s=20+7s equation:


Simplifying
30 + 5s = 20 + 7s

Solving
30 + 5s = 20 + 7s

Solving for variable 's'.

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

Add '-7s' to each side of the equation.
30 + 5s + -7s = 20 + 7s + -7s

Combine like terms: 5s + -7s = -2s
30 + -2s = 20 + 7s + -7s

Combine like terms: 7s + -7s = 0
30 + -2s = 20 + 0
30 + -2s = 20

Add '-30' to each side of the equation.
30 + -30 + -2s = 20 + -30

Combine like terms: 30 + -30 = 0
0 + -2s = 20 + -30
-2s = 20 + -30

Combine like terms: 20 + -30 = -10
-2s = -10

Divide each side by '-2'.
s = 5

Simplifying
s = 5

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