8x-3y+21=0

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Solution for 8x-3y+21=0 equation:


Simplifying
8x + -3y + 21 = 0

Reorder the terms:
21 + 8x + -3y = 0

Solving
21 + 8x + -3y = 0

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + 8x + -21 + -3y = 0 + -21

Reorder the terms:
21 + -21 + 8x + -3y = 0 + -21

Combine like terms: 21 + -21 = 0
0 + 8x + -3y = 0 + -21
8x + -3y = 0 + -21

Combine like terms: 0 + -21 = -21
8x + -3y = -21

Add '3y' to each side of the equation.
8x + -3y + 3y = -21 + 3y

Combine like terms: -3y + 3y = 0
8x + 0 = -21 + 3y
8x = -21 + 3y

Divide each side by '8'.
x = -2.625 + 0.375y

Simplifying
x = -2.625 + 0.375y

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