7s-2s-1=4s+6s+9

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Solution for 7s-2s-1=4s+6s+9 equation:


Simplifying
7s + -2s + -1 = 4s + 6s + 9

Reorder the terms:
-1 + 7s + -2s = 4s + 6s + 9

Combine like terms: 7s + -2s = 5s
-1 + 5s = 4s + 6s + 9

Reorder the terms:
-1 + 5s = 9 + 4s + 6s

Combine like terms: 4s + 6s = 10s
-1 + 5s = 9 + 10s

Solving
-1 + 5s = 9 + 10s

Solving for variable 's'.

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

Add '-10s' to each side of the equation.
-1 + 5s + -10s = 9 + 10s + -10s

Combine like terms: 5s + -10s = -5s
-1 + -5s = 9 + 10s + -10s

Combine like terms: 10s + -10s = 0
-1 + -5s = 9 + 0
-1 + -5s = 9

Add '1' to each side of the equation.
-1 + 1 + -5s = 9 + 1

Combine like terms: -1 + 1 = 0
0 + -5s = 9 + 1
-5s = 9 + 1

Combine like terms: 9 + 1 = 10
-5s = 10

Divide each side by '-5'.
s = -2

Simplifying
s = -2

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