7(9-s)=84

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Solution for 7(9-s)=84 equation: 


Simplifying
7(9 + -1s) = 84
(9 * 7 + -1s * 7) = 84
(63 + -7s) = 84

Solving
63 + -7s = 84

Solving for variable 's'.

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

Add '-63' to each side of the equation.
63 + -63 + -7s = 84 + -63

Combine like terms: 63 + -63 = 0
0 + -7s = 84 + -63
-7s = 84 + -63

Combine like terms: 84 + -63 = 21
-7s = 21

Divide each side by '-7'.
s = -3

Simplifying
s = -3

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