28=7y+21x

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Solution for 28=7y+21x equation:


Simplifying
28 = 7y + 21x

Reorder the terms:
28 = 21x + 7y

Solving
28 = 21x + 7y

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
28 + -21x = 21x + -21x + 7y

Combine like terms: 21x + -21x = 0
28 + -21x = 0 + 7y
28 + -21x = 7y

Add '-28' to each side of the equation.
28 + -28 + -21x = -28 + 7y

Combine like terms: 28 + -28 = 0
0 + -21x = -28 + 7y
-21x = -28 + 7y

Divide each side by '-21'.
x = 1.333333333 + -0.3333333333y

Simplifying
x = 1.333333333 + -0.3333333333y

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