21x+2=15

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Solution for 21x+2=15 equation: 


Simplifying
21x + 2 = 15

Reorder the terms:
2 + 21x = 15

Solving
2 + 21x = 15

Solving for variable 'x'.

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

Add '-2' to each side of the equation.
2 + -2 + 21x = 15 + -2

Combine like terms: 2 + -2 = 0
0 + 21x = 15 + -2
21x = 15 + -2

Combine like terms: 15 + -2 = 13
21x = 13

Divide each side by '21'.
x = 0.619047619

Simplifying
x = 0.619047619

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