-7x+3y+21=0

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Solution for -7x+3y+21=0 equation:


Simplifying
-7x + 3y + 21 = 0

Reorder the terms:
21 + -7x + 3y = 0

Solving
21 + -7x + 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 + -7x + -21 + 3y = 0 + -21

Reorder the terms:
21 + -21 + -7x + 3y = 0 + -21

Combine like terms: 21 + -21 = 0
0 + -7x + 3y = 0 + -21
-7x + 3y = 0 + -21

Combine like terms: 0 + -21 = -21
-7x + 3y = -21

Add '-3y' to each side of the equation.
-7x + 3y + -3y = -21 + -3y

Combine like terms: 3y + -3y = 0
-7x + 0 = -21 + -3y
-7x = -21 + -3y

Divide each side by '-7'.
x = 3 + 0.4285714286y

Simplifying
x = 3 + 0.4285714286y

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