7y-5x=-21

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Solution for 7y-5x=-21 equation: 


Simplifying
7y + -5x = -21

Reorder the terms:
-5x + 7y = -21

Solving
-5x + 7y = -21

Solving for variable 'x'.

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

Add '-7y' to each side of the equation.
-5x + 7y + -7y = -21 + -7y

Combine like terms: 7y + -7y = 0
-5x + 0 = -21 + -7y
-5x = -21 + -7y

Divide each side by '-5'.
x = 4.2 + 1.4y

Simplifying
x = 4.2 + 1.4y

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