7x+4=3x+y

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


Simplifying
7x + 4 = 3x + y

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

Solving
4 + 7x = 3x + y

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
4 + 7x + -3x = 3x + -3x + y

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

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

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

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

Divide each side by '4'.
x = -1 + 0.25y

Simplifying
x = -1 + 0.25y

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