2+0.4(4x-1)=20

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Solution for 2+0.4(4x-1)=20 equation:


Simplifying
2 + 0.4(4x + -1) = 20

Reorder the terms:
2 + 0.4(-1 + 4x) = 20
2 + (-1 * 0.4 + 4x * 0.4) = 20
2 + (-0.4 + 1.6x) = 20

Combine like terms: 2 + -0.4 = 1.6
1.6 + 1.6x = 20

Solving
1.6 + 1.6x = 20

Solving for variable 'x'.

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

Add '-1.6' to each side of the equation.
1.6 + -1.6 + 1.6x = 20 + -1.6

Combine like terms: 1.6 + -1.6 = 0.0
0.0 + 1.6x = 20 + -1.6
1.6x = 20 + -1.6

Combine like terms: 20 + -1.6 = 18.4
1.6x = 18.4

Divide each side by '1.6'.
x = 11.5

Simplifying
x = 11.5

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