-7[s+3]=72

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Solution for -7[s+3]=72 equation:


Simplifying
-7[s + 3] = 72

Reorder the terms:
-7[3 + s] = 72
[3 * -7 + s * -7] = 72
[-21 + -7s] = 72

Solving
-21 + -7s = 72

Solving for variable 's'.

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

Add '21' to each side of the equation.
-21 + 21 + -7s = 72 + 21

Combine like terms: -21 + 21 = 0
0 + -7s = 72 + 21
-7s = 72 + 21

Combine like terms: 72 + 21 = 93
-7s = 93

Divide each side by '-7'.
s = -13.28571429

Simplifying
s = -13.28571429

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