19=3s-4(25-s)

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Solution for 19=3s-4(25-s) equation:


Simplifying
19 = 3s + -4(25 + -1s)
19 = 3s + (25 * -4 + -1s * -4)
19 = 3s + (-100 + 4s)

Reorder the terms:
19 = -100 + 3s + 4s

Combine like terms: 3s + 4s = 7s
19 = -100 + 7s

Solving
19 = -100 + 7s

Solving for variable 's'.

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

Add '-7s' to each side of the equation.
19 + -7s = -100 + 7s + -7s

Combine like terms: 7s + -7s = 0
19 + -7s = -100 + 0
19 + -7s = -100

Add '-19' to each side of the equation.
19 + -19 + -7s = -100 + -19

Combine like terms: 19 + -19 = 0
0 + -7s = -100 + -19
-7s = -100 + -19

Combine like terms: -100 + -19 = -119
-7s = -119

Divide each side by '-7'.
s = 17

Simplifying
s = 17

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