3x+6*0=21

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Solution for 3x+6*0=21 equation: 


Simplifying
3x + 6 * 0 = 21

Multiply 6 * 0
3x + 0 = 21

Anything times zero is zero.
3x + 0 = 21

Reorder the terms:
0 + 3x = 21
Remove the zero:
3x = 21

Solving
3x = 21

Solving for variable 'x'.

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

Divide each side by '3'.
x = 7

Simplifying
x = 7

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