7s+3=4s-18

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Solution for 7s+3=4s-18 equation:


Simplifying
7s + 3 = 4s + -18

Reorder the terms:
3 + 7s = 4s + -18

Reorder the terms:
3 + 7s = -18 + 4s

Solving
3 + 7s = -18 + 4s

Solving for variable 's'.

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

Add '-4s' to each side of the equation.
3 + 7s + -4s = -18 + 4s + -4s

Combine like terms: 7s + -4s = 3s
3 + 3s = -18 + 4s + -4s

Combine like terms: 4s + -4s = 0
3 + 3s = -18 + 0
3 + 3s = -18

Add '-3' to each side of the equation.
3 + -3 + 3s = -18 + -3

Combine like terms: 3 + -3 = 0
0 + 3s = -18 + -3
3s = -18 + -3

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

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

Simplifying
s = -7

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