3(4s-3)+4(3s+7)=139

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Solution for 3(4s-3)+4(3s+7)=139 equation:


Simplifying
3(4s + -3) + 4(3s + 7) = 139

Reorder the terms:
3(-3 + 4s) + 4(3s + 7) = 139
(-3 * 3 + 4s * 3) + 4(3s + 7) = 139
(-9 + 12s) + 4(3s + 7) = 139

Reorder the terms:
-9 + 12s + 4(7 + 3s) = 139
-9 + 12s + (7 * 4 + 3s * 4) = 139
-9 + 12s + (28 + 12s) = 139

Reorder the terms:
-9 + 28 + 12s + 12s = 139

Combine like terms: -9 + 28 = 19
19 + 12s + 12s = 139

Combine like terms: 12s + 12s = 24s
19 + 24s = 139

Solving
19 + 24s = 139

Solving for variable 's'.

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

Add '-19' to each side of the equation.
19 + -19 + 24s = 139 + -19

Combine like terms: 19 + -19 = 0
0 + 24s = 139 + -19
24s = 139 + -19

Combine like terms: 139 + -19 = 120
24s = 120

Divide each side by '24'.
s = 5

Simplifying
s = 5

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