9+4(1+5s)=28

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Solution for 9+4(1+5s)=28 equation: 


Simplifying
9 + 4(1 + 5s) = 28
9 + (1 * 4 + 5s * 4) = 28
9 + (4 + 20s) = 28

Combine like terms: 9 + 4 = 13
13 + 20s = 28

Solving
13 + 20s = 28

Solving for variable 's'.

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

Add '-13' to each side of the equation.
13 + -13 + 20s = 28 + -13

Combine like terms: 13 + -13 = 0
0 + 20s = 28 + -13
20s = 28 + -13

Combine like terms: 28 + -13 = 15
20s = 15

Divide each side by '20'.
s = 0.75

Simplifying
s = 0.75

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