-40+3y+4=2(3y-3)-9

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Solution for -40+3y+4=2(3y-3)-9 equation:


Simplifying
-40 + 3y + 4 = 2(3y + -3) + -9

Reorder the terms:
-40 + 4 + 3y = 2(3y + -3) + -9

Combine like terms: -40 + 4 = -36
-36 + 3y = 2(3y + -3) + -9

Reorder the terms:
-36 + 3y = 2(-3 + 3y) + -9
-36 + 3y = (-3 * 2 + 3y * 2) + -9
-36 + 3y = (-6 + 6y) + -9

Reorder the terms:
-36 + 3y = -6 + -9 + 6y

Combine like terms: -6 + -9 = -15
-36 + 3y = -15 + 6y

Solving
-36 + 3y = -15 + 6y

Solving for variable 'y'.

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

Add '-6y' to each side of the equation.
-36 + 3y + -6y = -15 + 6y + -6y

Combine like terms: 3y + -6y = -3y
-36 + -3y = -15 + 6y + -6y

Combine like terms: 6y + -6y = 0
-36 + -3y = -15 + 0
-36 + -3y = -15

Add '36' to each side of the equation.
-36 + 36 + -3y = -15 + 36

Combine like terms: -36 + 36 = 0
0 + -3y = -15 + 36
-3y = -15 + 36

Combine like terms: -15 + 36 = 21
-3y = 21

Divide each side by '-3'.
y = -7

Simplifying
y = -7

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