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Simplifying 7s + 19.86 = 128.38 Reorder the terms: 19.86 + 7s = 128.38 Solving 19.86 + 7s = 128.38 Solving for variable 's'. Move all terms containing s to the left, all other terms to the right. Add '-19.86' to each side of the equation. 19.86 + -19.86 + 7s = 128.38 + -19.86 Combine like terms: 19.86 + -19.86 = 0.00 0.00 + 7s = 128.38 + -19.86 7s = 128.38 + -19.86 Combine like terms: 128.38 + -19.86 = 108.52 7s = 108.52 Divide each side by '7'. s = 15.50285714 Simplifying s = 15.50285714
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