4y+9=-8y-13

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Solution for 4y+9=-8y-13 equation:


Simplifying
4y + 9 = -8y + -13

Reorder the terms:
9 + 4y = -8y + -13

Reorder the terms:
9 + 4y = -13 + -8y

Solving
9 + 4y = -13 + -8y

Solving for variable 'y'.

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

Add '8y' to each side of the equation.
9 + 4y + 8y = -13 + -8y + 8y

Combine like terms: 4y + 8y = 12y
9 + 12y = -13 + -8y + 8y

Combine like terms: -8y + 8y = 0
9 + 12y = -13 + 0
9 + 12y = -13

Add '-9' to each side of the equation.
9 + -9 + 12y = -13 + -9

Combine like terms: 9 + -9 = 0
0 + 12y = -13 + -9
12y = -13 + -9

Combine like terms: -13 + -9 = -22
12y = -22

Divide each side by '12'.
y = -1.833333333

Simplifying
y = -1.833333333

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