7x+8y+3(2x+4y)=

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Solution for 7x+8y+3(2x+4y)= equation:


Simplifying
7x + 8y + 3(2x + 4y) = 0
7x + 8y + (2x * 3 + 4y * 3) = 0
7x + 8y + (6x + 12y) = 0

Reorder the terms:
7x + 6x + 8y + 12y = 0

Combine like terms: 7x + 6x = 13x
13x + 8y + 12y = 0

Combine like terms: 8y + 12y = 20y
13x + 20y = 0

Solving
13x + 20y = 0

Solving for variable 'x'.

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

Add '-20y' to each side of the equation.
13x + 20y + -20y = 0 + -20y

Combine like terms: 20y + -20y = 0
13x + 0 = 0 + -20y
13x = 0 + -20y
Remove the zero:
13x = -20y

Divide each side by '13'.
x = -1.538461538y

Simplifying
x = -1.538461538y

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