6y+9=5y-4

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Solution for 6y+9=5y-4 equation:


Simplifying
6y + 9 = 5y + -4

Reorder the terms:
9 + 6y = 5y + -4

Reorder the terms:
9 + 6y = -4 + 5y

Solving
9 + 6y = -4 + 5y

Solving for variable 'y'.

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

Add '-5y' to each side of the equation.
9 + 6y + -5y = -4 + 5y + -5y

Combine like terms: 6y + -5y = 1y
9 + 1y = -4 + 5y + -5y

Combine like terms: 5y + -5y = 0
9 + 1y = -4 + 0
9 + 1y = -4

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

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

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

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

Simplifying
y = -13

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