4s+15=2s+20

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Solution for 4s+15=2s+20 equation:


Simplifying
4s + 15 = 2s + 20

Reorder the terms:
15 + 4s = 2s + 20

Reorder the terms:
15 + 4s = 20 + 2s

Solving
15 + 4s = 20 + 2s

Solving for variable 's'.

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

Add '-2s' to each side of the equation.
15 + 4s + -2s = 20 + 2s + -2s

Combine like terms: 4s + -2s = 2s
15 + 2s = 20 + 2s + -2s

Combine like terms: 2s + -2s = 0
15 + 2s = 20 + 0
15 + 2s = 20

Add '-15' to each side of the equation.
15 + -15 + 2s = 20 + -15

Combine like terms: 15 + -15 = 0
0 + 2s = 20 + -15
2s = 20 + -15

Combine like terms: 20 + -15 = 5
2s = 5

Divide each side by '2'.
s = 2.5

Simplifying
s = 2.5

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