6+8x=21+2x

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Solution for 6+8x=21+2x equation:


Simplifying
6 + 8x = 21 + 2x

Solving
6 + 8x = 21 + 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.
6 + 8x + -2x = 21 + 2x + -2x

Combine like terms: 8x + -2x = 6x
6 + 6x = 21 + 2x + -2x

Combine like terms: 2x + -2x = 0
6 + 6x = 21 + 0
6 + 6x = 21

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

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

Combine like terms: 21 + -6 = 15
6x = 15

Divide each side by '6'.
x = 2.5

Simplifying
x = 2.5

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