9s-49=5s-21

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Solution for 9s-49=5s-21 equation:


Simplifying
9s + -49 = 5s + -21

Reorder the terms:
-49 + 9s = 5s + -21

Reorder the terms:
-49 + 9s = -21 + 5s

Solving
-49 + 9s = -21 + 5s

Solving for variable 's'.

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

Add '-5s' to each side of the equation.
-49 + 9s + -5s = -21 + 5s + -5s

Combine like terms: 9s + -5s = 4s
-49 + 4s = -21 + 5s + -5s

Combine like terms: 5s + -5s = 0
-49 + 4s = -21 + 0
-49 + 4s = -21

Add '49' to each side of the equation.
-49 + 49 + 4s = -21 + 49

Combine like terms: -49 + 49 = 0
0 + 4s = -21 + 49
4s = -21 + 49

Combine like terms: -21 + 49 = 28
4s = 28

Divide each side by '4'.
s = 7

Simplifying
s = 7

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