0x+7y=21

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Solution for 0x+7y=21 equation: 


Simplifying
0x + 7y = 21

Anything times zero is zero.
0x + 7y = 21
Remove the zero:
7y = 21

Solving
7y = 21

Solving for variable 'y'.

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

Divide each side by '7'.
y = 3

Simplifying
y = 3

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