7y+4=6y-9

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Solution for 7y+4=6y-9 equation:


Simplifying
7y + 4 = 6y + -9

Reorder the terms:
4 + 7y = 6y + -9

Reorder the terms:
4 + 7y = -9 + 6y

Solving
4 + 7y = -9 + 6y

Solving for variable 'y'.

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

Add '-6y' to each side of the equation.
4 + 7y + -6y = -9 + 6y + -6y

Combine like terms: 7y + -6y = 1y
4 + 1y = -9 + 6y + -6y

Combine like terms: 6y + -6y = 0
4 + 1y = -9 + 0
4 + 1y = -9

Add '-4' to each side of the equation.
4 + -4 + 1y = -9 + -4

Combine like terms: 4 + -4 = 0
0 + 1y = -9 + -4
1y = -9 + -4

Combine like terms: -9 + -4 = -13
1y = -13

Divide each side by '1'.
y = -13

Simplifying
y = -13

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