(20x+31y)+(42x+47y)=

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Solution for (20x+31y)+(42x+47y)= equation:


Simplifying
(20x + 31y) + (42x + 47y) = 0

Remove parenthesis around (20x + 31y)
20x + 31y + (42x + 47y) = 0

Remove parenthesis around (42x + 47y)
20x + 31y + 42x + 47y = 0

Reorder the terms:
20x + 42x + 31y + 47y = 0

Combine like terms: 20x + 42x = 62x
62x + 31y + 47y = 0

Combine like terms: 31y + 47y = 78y
62x + 78y = 0

Solving
62x + 78y = 0

Solving for variable 'x'.

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

Add '-78y' to each side of the equation.
62x + 78y + -78y = 0 + -78y

Combine like terms: 78y + -78y = 0
62x + 0 = 0 + -78y
62x = 0 + -78y
Remove the zero:
62x = -78y

Divide each side by '62'.
x = -1.258064516y

Simplifying
x = -1.258064516y

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