3x+21(0)=9

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Solution for 3x+21(0)=9 equation: 


Simplifying
3x + 21(0) = 9

Multiply 21 * 0
3x + 0 = 9

Anything times zero is zero.
3x + 0 = 9

Reorder the terms:
0 + 3x = 9
Remove the zero:
3x = 9

Solving
3x = 9

Solving for variable 'x'.

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

Divide each side by '3'.
x = 3

Simplifying
x = 3

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