2x+3=21y

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Solution for 2x+3=21y equation: 


Simplifying
2x + 3 = 21y

Reorder the terms:
3 + 2x = 21y

Solving
3 + 2x = 21y

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 2x = -3 + 21y

Combine like terms: 3 + -3 = 0
0 + 2x = -3 + 21y
2x = -3 + 21y

Divide each side by '2'.
x = -1.5 + 10.5y

Simplifying
x = -1.5 + 10.5y

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