(8x)+(-7y)=21

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Solution for (8x)+(-7y)=21 equation: 


Simplifying
(8x) + (-7y) = 21

Solving
(8x) + (-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.
(8x) + (-7y) + (7y) = 21 + (7y)

Combine like terms: (-7y) + (7y) = 0
(8x) + 0 = 21 + (7y)
(8x) = 21 + (7y)

Divide each side by '8'.
x = 2.625 + (0.875y)

Simplifying
x = 2.625 + (0.875y)

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