3y+7=x-4y

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


Simplifying
3y + 7 = x + -4y

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

Solving
7 + 3y = x + -4y

Solving for variable 'y'.

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

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

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

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

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

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

Divide each side by '7'.
y = -1 + 0.1428571429x

Simplifying
y = -1 + 0.1428571429x

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