.35s+.6(30-s)=.45(30)

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Solution for .35s+.6(30-s)=.45(30) equation:


Simplifying
0.35s + 0.6(30 + -1s) = 0.45(30)
0.35s + (30 * 0.6 + -1s * 0.6) = 0.45(30)
0.35s + (18 + -0.6s) = 0.45(30)

Reorder the terms:
18 + 0.35s + -0.6s = 0.45(30)

Combine like terms: 0.35s + -0.6s = -0.25s
18 + -0.25s = 0.45(30)

Multiply 0.45 * 30
18 + -0.25s = 13.5

Solving
18 + -0.25s = 13.5

Solving for variable 's'.

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

Add '-18' to each side of the equation.
18 + -18 + -0.25s = 13.5 + -18

Combine like terms: 18 + -18 = 0
0 + -0.25s = 13.5 + -18
-0.25s = 13.5 + -18

Combine like terms: 13.5 + -18 = -4.5
-0.25s = -4.5

Divide each side by '-0.25'.
s = 18

Simplifying
s = 18

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