(3x-5)+(8)+(4x-7)=y

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Solution for (3x-5)+(8)+(4x-7)=y equation: 


Simplifying
(3x + -5) + (8) + (4x + -7) = y

Reorder the terms:
(-5 + 3x) + (8) + (4x + -7) = y

Remove parenthesis around (-5 + 3x)
-5 + 3x + (8) + (4x + -7) = y
-5 + 3x + 8 + (4x + -7) = y

Reorder the terms:
-5 + 3x + 8 + (-7 + 4x) = y

Remove parenthesis around (-7 + 4x)
-5 + 3x + 8 + -7 + 4x = y

Reorder the terms:
-5 + 8 + -7 + 3x + 4x = y

Combine like terms: -5 + 8 = 3
3 + -7 + 3x + 4x = y

Combine like terms: 3 + -7 = -4
-4 + 3x + 4x = y

Combine like terms: 3x + 4x = 7x
-4 + 7x = y

Solving
-4 + 7x = y

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + 7x = 4 + y

Combine like terms: -4 + 4 = 0
0 + 7x = 4 + y
7x = 4 + y

Divide each side by '7'.
x = 0.5714285714 + 0.1428571429y

Simplifying
x = 0.5714285714 + 0.1428571429y

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