4(s+7)=20

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Solution for 4(s+7)=20 equation: 


Simplifying
4(s + 7) = 20

Reorder the terms:
4(7 + s) = 20
(7 * 4 + s * 4) = 20
(28 + 4s) = 20

Solving
28 + 4s = 20

Solving for variable 's'.

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

Add '-28' to each side of the equation.
28 + -28 + 4s = 20 + -28

Combine like terms: 28 + -28 = 0
0 + 4s = 20 + -28
4s = 20 + -28

Combine like terms: 20 + -28 = -8
4s = -8

Divide each side by '4'.
s = -2

Simplifying
s = -2

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