5x+2y(21-x)=77

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Solution for 5x+2y(21-x)=77 equation:


Simplifying
5x + 2y(21 + -1x) = 77
5x + (21 * 2y + -1x * 2y) = 77

Reorder the terms:
5x + (-2xy + 42y) = 77
5x + (-2xy + 42y) = 77

Solving
5x + -2xy + 42y = 77

Solving for variable 'x'.

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

Add '-42y' to each side of the equation.
5x + -2xy + 42y + -42y = 77 + -42y

Combine like terms: 42y + -42y = 0
5x + -2xy + 0 = 77 + -42y
5x + -2xy = 77 + -42y

Reorder the terms:
-77 + 5x + -2xy + 42y = 77 + -42y + -77 + 42y

Reorder the terms:
-77 + 5x + -2xy + 42y = 77 + -77 + -42y + 42y

Combine like terms: 77 + -77 = 0
-77 + 5x + -2xy + 42y = 0 + -42y + 42y
-77 + 5x + -2xy + 42y = -42y + 42y

Combine like terms: -42y + 42y = 0
-77 + 5x + -2xy + 42y = 0

The solution to this equation could not be determined.

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