21x-30=15y

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Solution for 21x-30=15y equation: 


Simplifying
21x + -30 = 15y

Reorder the terms:
-30 + 21x = 15y

Solving
-30 + 21x = 15y

Solving for variable 'x'.

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

Add '30' to each side of the equation.
-30 + 30 + 21x = 30 + 15y

Combine like terms: -30 + 30 = 0
0 + 21x = 30 + 15y
21x = 30 + 15y

Divide each side by '21'.
x = 1.428571429 + 0.7142857143y

Simplifying
x = 1.428571429 + 0.7142857143y

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