2(s-21)-4=8

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Solution for 2(s-21)-4=8 equation:


Simplifying
2(s + -21) + -4 = 8

Reorder the terms:
2(-21 + s) + -4 = 8
(-21 * 2 + s * 2) + -4 = 8
(-42 + 2s) + -4 = 8

Reorder the terms:
-42 + -4 + 2s = 8

Combine like terms: -42 + -4 = -46
-46 + 2s = 8

Solving
-46 + 2s = 8

Solving for variable 's'.

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

Add '46' to each side of the equation.
-46 + 46 + 2s = 8 + 46

Combine like terms: -46 + 46 = 0
0 + 2s = 8 + 46
2s = 8 + 46

Combine like terms: 8 + 46 = 54
2s = 54

Divide each side by '2'.
s = 27

Simplifying
s = 27

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