9(5+4s)=20

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Solution for 9(5+4s)=20 equation: 


Simplifying
9(5 + 4s) = 20
(5 * 9 + 4s * 9) = 20
(45 + 36s) = 20

Solving
45 + 36s = 20

Solving for variable 's'.

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

Add '-45' to each side of the equation.
45 + -45 + 36s = 20 + -45

Combine like terms: 45 + -45 = 0
0 + 36s = 20 + -45
36s = 20 + -45

Combine like terms: 20 + -45 = -25
36s = -25

Divide each side by '36'.
s = -0.6944444444

Simplifying
s = -0.6944444444

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