3s+2(2s-5)=130

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Solution for 3s+2(2s-5)=130 equation:


Simplifying
3s + 2(2s + -5) = 130

Reorder the terms:
3s + 2(-5 + 2s) = 130
3s + (-5 * 2 + 2s * 2) = 130
3s + (-10 + 4s) = 130

Reorder the terms:
-10 + 3s + 4s = 130

Combine like terms: 3s + 4s = 7s
-10 + 7s = 130

Solving
-10 + 7s = 130

Solving for variable 's'.

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

Add '10' to each side of the equation.
-10 + 10 + 7s = 130 + 10

Combine like terms: -10 + 10 = 0
0 + 7s = 130 + 10
7s = 130 + 10

Combine like terms: 130 + 10 = 140
7s = 140

Divide each side by '7'.
s = 20

Simplifying
s = 20

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