2(4x+2)=21

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Solution for 2(4x+2)=21 equation: 


Simplifying
2(4x + 2) = 21

Reorder the terms:
2(2 + 4x) = 21
(2 * 2 + 4x * 2) = 21
(4 + 8x) = 21

Solving
4 + 8x = 21

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 8x = 21 + -4

Combine like terms: 4 + -4 = 0
0 + 8x = 21 + -4
8x = 21 + -4

Combine like terms: 21 + -4 = 17
8x = 17

Divide each side by '8'.
x = 2.125

Simplifying
x = 2.125

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