(4x+2)=21

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


Simplifying
(4x + 2) = 21

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

Remove parenthesis around (2 + 4x)
2 + 4x = 21

Solving
2 + 4x = 21

Solving for variable 'x'.

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

Add '-2' to each side of the equation.
2 + -2 + 4x = 21 + -2

Combine like terms: 2 + -2 = 0
0 + 4x = 21 + -2
4x = 21 + -2

Combine like terms: 21 + -2 = 19
4x = 19

Divide each side by '4'.
x = 4.75

Simplifying
x = 4.75

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