7(3s+2)=287

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Solution for 7(3s+2)=287 equation:


Simplifying
7(3s + 2) = 287

Reorder the terms:
7(2 + 3s) = 287
(2 * 7 + 3s * 7) = 287
(14 + 21s) = 287

Solving
14 + 21s = 287

Solving for variable 's'.

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

Add '-14' to each side of the equation.
14 + -14 + 21s = 287 + -14

Combine like terms: 14 + -14 = 0
0 + 21s = 287 + -14
21s = 287 + -14

Combine like terms: 287 + -14 = 273
21s = 273

Divide each side by '21'.
s = 13

Simplifying
s = 13

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