5y+8=4y-9

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Solution for 5y+8=4y-9 equation:


Simplifying
5y + 8 = 4y + -9

Reorder the terms:
8 + 5y = 4y + -9

Reorder the terms:
8 + 5y = -9 + 4y

Solving
8 + 5y = -9 + 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.
8 + 5y + -4y = -9 + 4y + -4y

Combine like terms: 5y + -4y = 1y
8 + 1y = -9 + 4y + -4y

Combine like terms: 4y + -4y = 0
8 + 1y = -9 + 0
8 + 1y = -9

Add '-8' to each side of the equation.
8 + -8 + 1y = -9 + -8

Combine like terms: 8 + -8 = 0
0 + 1y = -9 + -8
1y = -9 + -8

Combine like terms: -9 + -8 = -17
1y = -17

Divide each side by '1'.
y = -17

Simplifying
y = -17

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