6(x-4)=21

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Solution for 6(x-4)=21 equation: 


Simplifying
6(x + -4) = 21

Reorder the terms:
6(-4 + x) = 21
(-4 * 6 + x * 6) = 21
(-24 + 6x) = 21

Solving
-24 + 6x = 21

Solving for variable 'x'.

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

Add '24' to each side of the equation.
-24 + 24 + 6x = 21 + 24

Combine like terms: -24 + 24 = 0
0 + 6x = 21 + 24
6x = 21 + 24

Combine like terms: 21 + 24 = 45
6x = 45

Divide each side by '6'.
x = 7.5

Simplifying
x = 7.5

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