21-6=27-8x

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Solution for 21-6=27-8x equation:


Simplifying
21 + -6 = 27 + -8x

Combine like terms: 21 + -6 = 15
15 = 27 + -8x

Solving
15 = 27 + -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
15 + 8x = 27 + -8x + 8x

Combine like terms: -8x + 8x = 0
15 + 8x = 27 + 0
15 + 8x = 27

Add '-15' to each side of the equation.
15 + -15 + 8x = 27 + -15

Combine like terms: 15 + -15 = 0
0 + 8x = 27 + -15
8x = 27 + -15

Combine like terms: 27 + -15 = 12
8x = 12

Divide each side by '8'.
x = 1.5

Simplifying
x = 1.5

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