7(3x+5y)+4y=0

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Solution for 7(3x+5y)+4y=0 equation:


Simplifying
7(3x + 5y) + 4y = 0
(3x * 7 + 5y * 7) + 4y = 0
(21x + 35y) + 4y = 0

Combine like terms: 35y + 4y = 39y
21x + 39y = 0

Solving
21x + 39y = 0

Solving for variable 'x'.

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

Add '-39y' to each side of the equation.
21x + 39y + -39y = 0 + -39y

Combine like terms: 39y + -39y = 0
21x + 0 = 0 + -39y
21x = 0 + -39y
Remove the zero:
21x = -39y

Divide each side by '21'.
x = -1.857142857y

Simplifying
x = -1.857142857y

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