3(x+2)=21y

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Solution for 3(x+2)=21y equation: 


Simplifying
3(x + 2) = 21y

Reorder the terms:
3(2 + x) = 21y
(2 * 3 + x * 3) = 21y
(6 + 3x) = 21y

Solving
6 + 3x = 21y

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 3x = -6 + 21y

Combine like terms: 6 + -6 = 0
0 + 3x = -6 + 21y
3x = -6 + 21y

Divide each side by '3'.
x = -2 + 7y

Simplifying
x = -2 + 7y

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