9s+3t-2s+9t-7=

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Solution for 9s+3t-2s+9t-7= equation:


Simplifying
9s + 3t + -2s + 9t + -7 = 0

Reorder the terms:
-7 + 9s + -2s + 3t + 9t = 0

Combine like terms: 9s + -2s = 7s
-7 + 7s + 3t + 9t = 0

Combine like terms: 3t + 9t = 12t
-7 + 7s + 12t = 0

Solving
-7 + 7s + 12t = 0

Solving for variable 's'.

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

Add '7' to each side of the equation.
-7 + 7s + 7 + 12t = 0 + 7

Reorder the terms:
-7 + 7 + 7s + 12t = 0 + 7

Combine like terms: -7 + 7 = 0
0 + 7s + 12t = 0 + 7
7s + 12t = 0 + 7

Combine like terms: 0 + 7 = 7
7s + 12t = 7

Add '-12t' to each side of the equation.
7s + 12t + -12t = 7 + -12t

Combine like terms: 12t + -12t = 0
7s + 0 = 7 + -12t
7s = 7 + -12t

Divide each side by '7'.
s = 1 + -1.714285714t

Simplifying
s = 1 + -1.714285714t

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