-9=5y-4(2y-3)

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Solution for -9=5y-4(2y-3) equation:


Simplifying
-9 = 5y + -4(2y + -3)

Reorder the terms:
-9 = 5y + -4(-3 + 2y)
-9 = 5y + (-3 * -4 + 2y * -4)
-9 = 5y + (12 + -8y)

Reorder the terms:
-9 = 12 + 5y + -8y

Combine like terms: 5y + -8y = -3y
-9 = 12 + -3y

Solving
-9 = 12 + -3y

Solving for variable 'y'.

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

Add '3y' to each side of the equation.
-9 + 3y = 12 + -3y + 3y

Combine like terms: -3y + 3y = 0
-9 + 3y = 12 + 0
-9 + 3y = 12

Add '9' to each side of the equation.
-9 + 9 + 3y = 12 + 9

Combine like terms: -9 + 9 = 0
0 + 3y = 12 + 9
3y = 12 + 9

Combine like terms: 12 + 9 = 21
3y = 21

Divide each side by '3'.
y = 7

Simplifying
y = 7

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