8x=2(x+21)

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Solution for 8x=2(x+21) equation: 


Simplifying
8x = 2(x + 21)

Reorder the terms:
8x = 2(21 + x)
8x = (21 * 2 + x * 2)
8x = (42 + 2x)

Solving
8x = 42 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
8x + -2x = 42 + 2x + -2x

Combine like terms: 8x + -2x = 6x
6x = 42 + 2x + -2x

Combine like terms: 2x + -2x = 0
6x = 42 + 0
6x = 42

Divide each side by '6'.
x = 7

Simplifying
x = 7

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