3+2y-1=7y+7-4y

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Solution for 3+2y-1=7y+7-4y equation:


Simplifying
3 + 2y + -1 = 7y + 7 + -4y

Reorder the terms:
3 + -1 + 2y = 7y + 7 + -4y

Combine like terms: 3 + -1 = 2
2 + 2y = 7y + 7 + -4y

Reorder the terms:
2 + 2y = 7 + 7y + -4y

Combine like terms: 7y + -4y = 3y
2 + 2y = 7 + 3y

Solving
2 + 2y = 7 + 3y

Solving for variable 'y'.

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

Add '-3y' to each side of the equation.
2 + 2y + -3y = 7 + 3y + -3y

Combine like terms: 2y + -3y = -1y
2 + -1y = 7 + 3y + -3y

Combine like terms: 3y + -3y = 0
2 + -1y = 7 + 0
2 + -1y = 7

Add '-2' to each side of the equation.
2 + -2 + -1y = 7 + -2

Combine like terms: 2 + -2 = 0
0 + -1y = 7 + -2
-1y = 7 + -2

Combine like terms: 7 + -2 = 5
-1y = 5

Divide each side by '-1'.
y = -5

Simplifying
y = -5

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