8+21x=5+12x

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Solution for 8+21x=5+12x equation:


Simplifying
8 + 21x = 5 + 12x

Solving
8 + 21x = 5 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
8 + 21x + -12x = 5 + 12x + -12x

Combine like terms: 21x + -12x = 9x
8 + 9x = 5 + 12x + -12x

Combine like terms: 12x + -12x = 0
8 + 9x = 5 + 0
8 + 9x = 5

Add '-8' to each side of the equation.
8 + -8 + 9x = 5 + -8

Combine like terms: 8 + -8 = 0
0 + 9x = 5 + -8
9x = 5 + -8

Combine like terms: 5 + -8 = -3
9x = -3

Divide each side by '9'.
x = -0.3333333333

Simplifying
x = -0.3333333333

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