3(30+s)-4(s+19)=28

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Solution for 3(30+s)-4(s+19)=28 equation: 


Simplifying
3(30 + s) + -4(s + 19) = 28
(30 * 3 + s * 3) + -4(s + 19) = 28
(90 + 3s) + -4(s + 19) = 28

Reorder the terms:
90 + 3s + -4(19 + s) = 28
90 + 3s + (19 * -4 + s * -4) = 28
90 + 3s + (-76 + -4s) = 28

Reorder the terms:
90 + -76 + 3s + -4s = 28

Combine like terms: 90 + -76 = 14
14 + 3s + -4s = 28

Combine like terms: 3s + -4s = -1s
14 + -1s = 28

Solving
14 + -1s = 28

Solving for variable 's'.

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

Add '-14' to each side of the equation.
14 + -14 + -1s = 28 + -14

Combine like terms: 14 + -14 = 0
0 + -1s = 28 + -14
-1s = 28 + -14

Combine like terms: 28 + -14 = 14
-1s = 14

Divide each side by '-1'.
s = -14

Simplifying
s = -14

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