8s-4-7s=2-1

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Solution for 8s-4-7s=2-1 equation:


Simplifying
8s + -4 + -7s = 2 + -1

Reorder the terms:
-4 + 8s + -7s = 2 + -1

Combine like terms: 8s + -7s = 1s
-4 + 1s = 2 + -1

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

Solving
-4 + 1s = 1

Solving for variable 's'.

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

Add '4' to each side of the equation.
-4 + 4 + 1s = 1 + 4

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

Combine like terms: 1 + 4 = 5
1s = 5

Divide each side by '1'.
s = 5

Simplifying
s = 5

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