3x+y-4-7y=12

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Solution for 3x+y-4-7y=12 equation:


Simplifying
3x + y + -4 + -7y = 12

Reorder the terms:
-4 + 3x + y + -7y = 12

Combine like terms: y + -7y = -6y
-4 + 3x + -6y = 12

Solving
-4 + 3x + -6y = 12

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 + 3x + 4 + -6y = 12 + 4

Reorder the terms:
-4 + 4 + 3x + -6y = 12 + 4

Combine like terms: -4 + 4 = 0
0 + 3x + -6y = 12 + 4
3x + -6y = 12 + 4

Combine like terms: 12 + 4 = 16
3x + -6y = 16

Add '6y' to each side of the equation.
3x + -6y + 6y = 16 + 6y

Combine like terms: -6y + 6y = 0
3x + 0 = 16 + 6y
3x = 16 + 6y

Divide each side by '3'.
x = 5.333333333 + 2y

Simplifying
x = 5.333333333 + 2y

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