7+20+18s=-3(-7s+3)

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Solution for 7+20+18s=-3(-7s+3) equation:


Simplifying
7 + 20 + 18s = -3(-7s + 3)

Combine like terms: 7 + 20 = 27
27 + 18s = -3(-7s + 3)

Reorder the terms:
27 + 18s = -3(3 + -7s)
27 + 18s = (3 * -3 + -7s * -3)
27 + 18s = (-9 + 21s)

Solving
27 + 18s = -9 + 21s

Solving for variable 's'.

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

Add '-21s' to each side of the equation.
27 + 18s + -21s = -9 + 21s + -21s

Combine like terms: 18s + -21s = -3s
27 + -3s = -9 + 21s + -21s

Combine like terms: 21s + -21s = 0
27 + -3s = -9 + 0
27 + -3s = -9

Add '-27' to each side of the equation.
27 + -27 + -3s = -9 + -27

Combine like terms: 27 + -27 = 0
0 + -3s = -9 + -27
-3s = -9 + -27

Combine like terms: -9 + -27 = -36
-3s = -36

Divide each side by '-3'.
s = 12

Simplifying
s = 12

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