3s-13=s+7

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Solution for 3s-13=s+7 equation:


Simplifying
3s + -13 = s + 7

Reorder the terms:
-13 + 3s = s + 7

Reorder the terms:
-13 + 3s = 7 + s

Solving
-13 + 3s = 7 + s

Solving for variable 's'.

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

Add '-1s' to each side of the equation.
-13 + 3s + -1s = 7 + s + -1s

Combine like terms: 3s + -1s = 2s
-13 + 2s = 7 + s + -1s

Combine like terms: s + -1s = 0
-13 + 2s = 7 + 0
-13 + 2s = 7

Add '13' to each side of the equation.
-13 + 13 + 2s = 7 + 13

Combine like terms: -13 + 13 = 0
0 + 2s = 7 + 13
2s = 7 + 13

Combine like terms: 7 + 13 = 20
2s = 20

Divide each side by '2'.
s = 10

Simplifying
s = 10

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