2(x-4)=21.4

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Solution for 2(x-4)=21.4 equation:


Simplifying
2(x + -4) = 21.4

Reorder the terms:
2(-4 + x) = 21.4
(-4 * 2 + x * 2) = 21.4
(-8 + 2x) = 21.4

Solving
-8 + 2x = 21.4

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + 8 + 2x = 21.4 + 8

Combine like terms: -8 + 8 = 0
0 + 2x = 21.4 + 8
2x = 21.4 + 8

Combine like terms: 21.4 + 8 = 29.4
2x = 29.4

Divide each side by '2'.
x = 14.7

Simplifying
x = 14.7

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