(5x-4x)x=20

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


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

Combine like terms: 5x + -4x = 1x
(1x) * x = 20

Remove parenthesis around (1x)
1x * x = 20

Multiply x * x
1x2 = 20

Solving
1x2 = 20

Solving for variable 'x'.

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

Divide each side by '1'.
x2 = 20

Simplifying
x2 = 20

Take the square root of each side:
x = {-4.472135955, 4.472135955}

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