7(3s+6)=189

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Solution for 7(3s+6)=189 equation:


Simplifying
7(3s + 6) = 189

Reorder the terms:
7(6 + 3s) = 189
(6 * 7 + 3s * 7) = 189
(42 + 21s) = 189

Solving
42 + 21s = 189

Solving for variable 's'.

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

Add '-42' to each side of the equation.
42 + -42 + 21s = 189 + -42

Combine like terms: 42 + -42 = 0
0 + 21s = 189 + -42
21s = 189 + -42

Combine like terms: 189 + -42 = 147
21s = 147

Divide each side by '21'.
s = 7

Simplifying
s = 7

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