3y-7x=21forx

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Solution for 3y-7x=21forx equation:


Simplifying
3y + -7x = 21forx

Reorder the terms:
-7x + 3y = 21forx

Solving
-7x + 3y = 21forx

Solving for variable 'x'.

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

Add '-21forx' to each side of the equation.
-7x + -21forx + 3y = 21forx + -21forx

Reorder the terms:
-21forx + -7x + 3y = 21forx + -21forx

Combine like terms: 21forx + -21forx = 0
-21forx + -7x + 3y = 0

Add '-3y' to each side of the equation.
-21forx + -7x + 3y + -3y = 0 + -3y

Combine like terms: 3y + -3y = 0
-21forx + -7x + 0 = 0 + -3y
-21forx + -7x = 0 + -3y
Remove the zero:
-21forx + -7x = -3y

Combine like terms: -3y + 3y = 0
-21forx + -7x + 3y = 0

The solution to this equation could not be determined.

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