8y-5y+9=3y+y-1

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Solution for 8y-5y+9=3y+y-1 equation:


Simplifying
8y + -5y + 9 = 3y + y + -1

Reorder the terms:
9 + 8y + -5y = 3y + y + -1

Combine like terms: 8y + -5y = 3y
9 + 3y = 3y + y + -1

Reorder the terms:
9 + 3y = -1 + 3y + y

Combine like terms: 3y + y = 4y
9 + 3y = -1 + 4y

Solving
9 + 3y = -1 + 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.
9 + 3y + -4y = -1 + 4y + -4y

Combine like terms: 3y + -4y = -1y
9 + -1y = -1 + 4y + -4y

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

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

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

Combine like terms: -1 + -9 = -10
-1y = -10

Divide each side by '-1'.
y = 10

Simplifying
y = 10

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