20-(1-s)8=4

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Solution for 20-(1-s)8=4 equation:


Simplifying
20 + -1(1 + -1s) * 8 = 4

Reorder the terms for easier multiplication:
20 + -1 * 8(1 + -1s) = 4

Multiply -1 * 8
20 + -8(1 + -1s) = 4
20 + (1 * -8 + -1s * -8) = 4
20 + (-8 + 8s) = 4

Combine like terms: 20 + -8 = 12
12 + 8s = 4

Solving
12 + 8s = 4

Solving for variable 's'.

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

Add '-12' to each side of the equation.
12 + -12 + 8s = 4 + -12

Combine like terms: 12 + -12 = 0
0 + 8s = 4 + -12
8s = 4 + -12

Combine like terms: 4 + -12 = -8
8s = -8

Divide each side by '8'.
s = -1

Simplifying
s = -1

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