(2x+1)y=21

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Solution for (2x+1)y=21 equation: 


Simplifying
(2x + 1) * y = 21

Reorder the terms:
(1 + 2x) * y = 21

Reorder the terms for easier multiplication:
y(1 + 2x) = 21
(1 * y + 2x * y) = 21

Reorder the terms:
(2xy + 1y) = 21
(2xy + 1y) = 21

Solving
2xy + 1y = 21

Solving for variable 'x'.

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

Add '-1y' to each side of the equation.
2xy + 1y + -1y = 21 + -1y

Combine like terms: 1y + -1y = 0
2xy + 0 = 21 + -1y
2xy = 21 + -1y

Divide each side by '2y'.
x = 10.5y-1 + -0.5

Simplifying
x = 10.5y-1 + -0.5

Reorder the terms:
x = -0.5 + 10.5y-1

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