1.99s+(2.99*2s)+.15=40

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Solution for 1.99s+(2.99*2s)+.15=40 equation: 


Simplifying
1.99s + (2.99 * 2s) + 0.15 = 40

Multiply 2.99 * 2
1.99s + (5.98s) + 0.15 = 40

Reorder the terms:
0.15 + 1.99s + (5.98s) = 40

Combine like terms: 1.99s + (5.98s) = 7.97s
0.15 + 7.97s = 40

Solving
0.15 + 7.97s = 40

Solving for variable 's'.

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

Add '-0.15' to each side of the equation.
0.15 + -0.15 + 7.97s = 40 + -0.15

Combine like terms: 0.15 + -0.15 = 0.00
0.00 + 7.97s = 40 + -0.15
7.97s = 40 + -0.15

Combine like terms: 40 + -0.15 = 39.85
7.97s = 39.85

Divide each side by '7.97'.
s = 5

Simplifying
s = 5

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