15-21x=12.69

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Solution for 15-21x=12.69 equation: 


Simplifying
15 + -21x = 12.69

Solving
15 + -21x = 12.69

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + -21x = 12.69 + -15

Combine like terms: 15 + -15 = 0
0 + -21x = 12.69 + -15
-21x = 12.69 + -15

Combine like terms: 12.69 + -15 = -2.31
-21x = -2.31

Divide each side by '-21'.
x = 0.11

Simplifying
x = 0.11

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