4(5x-20)=20(S-4)

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Solution for 4(5x-20)=20(S-4) equation:


Simplifying
4(5x + -20) = 20(S + -4)

Reorder the terms:
4(-20 + 5x) = 20(S + -4)
(-20 * 4 + 5x * 4) = 20(S + -4)
(-80 + 20x) = 20(S + -4)

Reorder the terms:
-80 + 20x = 20(-4 + S)
-80 + 20x = (-4 * 20 + S * 20)
-80 + 20x = (-80 + 20S)

Add '80' to each side of the equation.
-80 + 80 + 20x = -80 + 80 + 20S

Combine like terms: -80 + 80 = 0
0 + 20x = -80 + 80 + 20S
20x = -80 + 80 + 20S

Combine like terms: -80 + 80 = 0
20x = 0 + 20S
20x = 20S

Solving
20x = 20S

Solving for variable 'x'.

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

Divide each side by '20'.
x = S

Simplifying
x = S

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