.40(s-6)=.30(2s+5)

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Solution for .40(s-6)=.30(2s+5) equation:


Simplifying
0.40(s + -6) = 0.30(2s + 5)

Reorder the terms:
0.40(-6 + s) = 0.30(2s + 5)
(-6 * 0.40 + s * 0.40) = 0.30(2s + 5)
(-2.4 + 0.40s) = 0.30(2s + 5)

Reorder the terms:
-2.4 + 0.40s = 0.30(5 + 2s)
-2.4 + 0.40s = (5 * 0.30 + 2s * 0.30)
-2.4 + 0.40s = (1.5 + 0.6s)

Solving
-2.4 + 0.40s = 1.5 + 0.6s

Solving for variable 's'.

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

Add '-0.6s' to each side of the equation.
-2.4 + 0.40s + -0.6s = 1.5 + 0.6s + -0.6s

Combine like terms: 0.40s + -0.6s = -0.2s
-2.4 + -0.2s = 1.5 + 0.6s + -0.6s

Combine like terms: 0.6s + -0.6s = 0.0
-2.4 + -0.2s = 1.5 + 0.0
-2.4 + -0.2s = 1.5

Add '2.4' to each side of the equation.
-2.4 + 2.4 + -0.2s = 1.5 + 2.4

Combine like terms: -2.4 + 2.4 = 0.0
0.0 + -0.2s = 1.5 + 2.4
-0.2s = 1.5 + 2.4

Combine like terms: 1.5 + 2.4 = 3.9
-0.2s = 3.9

Divide each side by '-0.2'.
s = -19.5

Simplifying
s = -19.5

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