2y+7=5y-4y

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Solution for 2y+7=5y-4y equation:


Simplifying
2y + 7 = 5y + -4y

Reorder the terms:
7 + 2y = 5y + -4y

Combine like terms: 5y + -4y = 1y
7 + 2y = 1y

Solving
7 + 2y = 1y

Solving for variable 'y'.

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

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

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

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

Add '-7' to each side of the equation.
7 + -7 + 1y = 0 + -7

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

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

Divide each side by '1'.
y = -7

Simplifying
y = -7

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