7y+4=4y-5

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


Simplifying
7y + 4 = 4y + -5

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

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

Solving
4 + 7y = -5 + 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.
4 + 7y + -4y = -5 + 4y + -4y

Combine like terms: 7y + -4y = 3y
4 + 3y = -5 + 4y + -4y

Combine like terms: 4y + -4y = 0
4 + 3y = -5 + 0
4 + 3y = -5

Add '-4' to each side of the equation.
4 + -4 + 3y = -5 + -4

Combine like terms: 4 + -4 = 0
0 + 3y = -5 + -4
3y = -5 + -4

Combine like terms: -5 + -4 = -9
3y = -9

Divide each side by '3'.
y = -3

Simplifying
y = -3

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