7+4(1-6.5s)=21.5

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Solution for 7+4(1-6.5s)=21.5 equation:


Simplifying
7 + 4(1 + -6.5s) = 21.5
7 + (1 * 4 + -6.5s * 4) = 21.5
7 + (4 + -26s) = 21.5

Combine like terms: 7 + 4 = 11
11 + -26s = 21.5

Solving
11 + -26s = 21.5

Solving for variable 's'.

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

Add '-11' to each side of the equation.
11 + -11 + -26s = 21.5 + -11

Combine like terms: 11 + -11 = 0
0 + -26s = 21.5 + -11
-26s = 21.5 + -11

Combine like terms: 21.5 + -11 = 10.5
-26s = 10.5

Divide each side by '-26'.
s = -0.4038461538

Simplifying
s = -0.4038461538

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