3s+9=6+4(s-1)

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Solution for 3s+9=6+4(s-1) equation:


Simplifying
3s + 9 = 6 + 4(s + -1)

Reorder the terms:
9 + 3s = 6 + 4(s + -1)

Reorder the terms:
9 + 3s = 6 + 4(-1 + s)
9 + 3s = 6 + (-1 * 4 + s * 4)
9 + 3s = 6 + (-4 + 4s)

Combine like terms: 6 + -4 = 2
9 + 3s = 2 + 4s

Solving
9 + 3s = 2 + 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.
9 + 3s + -4s = 2 + 4s + -4s

Combine like terms: 3s + -4s = -1s
9 + -1s = 2 + 4s + -4s

Combine like terms: 4s + -4s = 0
9 + -1s = 2 + 0
9 + -1s = 2

Add '-9' to each side of the equation.
9 + -9 + -1s = 2 + -9

Combine like terms: 9 + -9 = 0
0 + -1s = 2 + -9
-1s = 2 + -9

Combine like terms: 2 + -9 = -7
-1s = -7

Divide each side by '-1'.
s = 7

Simplifying
s = 7

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