21x-7+9=2

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Solution for 21x-7+9=2 equation: 


Simplifying
21x + -7 + 9 = 2

Reorder the terms:
-7 + 9 + 21x = 2

Combine like terms: -7 + 9 = 2
2 + 21x = 2

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

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

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

Solving
21x = 0

Solving for variable 'x'.

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

Divide each side by '21'.
x = 0

Simplifying
x = 0

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