y=3x+21

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Solution for y=3x+21 equation: 


Simplifying
y = 3x + 21

Reorder the terms:
y = 21 + 3x

Solving
y = 21 + 3x

Solving for variable 'y'.

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

Simplifying
y = 21 + 3x

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