15y-13x=21

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Solution for 15y-13x=21 equation: 


Simplifying
15y + -13x = 21

Reorder the terms:
-13x + 15y = 21

Solving
-13x + 15y = 21

Solving for variable 'x'.

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

Add '-15y' to each side of the equation.
-13x + 15y + -15y = 21 + -15y

Combine like terms: 15y + -15y = 0
-13x + 0 = 21 + -15y
-13x = 21 + -15y

Divide each side by '-13'.
x = -1.615384615 + 1.153846154y

Simplifying
x = -1.615384615 + 1.153846154y

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