15s+20=8s-13

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Solution for 15s+20=8s-13 equation:


Simplifying
15s + 20 = 8s + -13

Reorder the terms:
20 + 15s = 8s + -13

Reorder the terms:
20 + 15s = -13 + 8s

Solving
20 + 15s = -13 + 8s

Solving for variable 's'.

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

Add '-8s' to each side of the equation.
20 + 15s + -8s = -13 + 8s + -8s

Combine like terms: 15s + -8s = 7s
20 + 7s = -13 + 8s + -8s

Combine like terms: 8s + -8s = 0
20 + 7s = -13 + 0
20 + 7s = -13

Add '-20' to each side of the equation.
20 + -20 + 7s = -13 + -20

Combine like terms: 20 + -20 = 0
0 + 7s = -13 + -20
7s = -13 + -20

Combine like terms: -13 + -20 = -33
7s = -33

Divide each side by '7'.
s = -4.714285714

Simplifying
s = -4.714285714

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