(3x+y)+(x+y)=47

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Solution for (3x+y)+(x+y)=47 equation:


Simplifying
(3x + y) + (x + y) = 47

Remove parenthesis around (3x + y)
3x + y + (x + y) = 47

Remove parenthesis around (x + y)
3x + y + x + y = 47

Reorder the terms:
3x + x + y + y = 47

Combine like terms: 3x + x = 4x
4x + y + y = 47

Combine like terms: y + y = 2y
4x + 2y = 47

Solving
4x + 2y = 47

Solving for variable 'x'.

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

Add '-2y' to each side of the equation.
4x + 2y + -2y = 47 + -2y

Combine like terms: 2y + -2y = 0
4x + 0 = 47 + -2y
4x = 47 + -2y

Divide each side by '4'.
x = 11.75 + -0.5y

Simplifying
x = 11.75 + -0.5y

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