-3(-3y+3)-(4y-5)+3y+7=

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Solution for -3(-3y+3)-(4y-5)+3y+7= equation:


Simplifying
-3(-3y + 3) + -1(4y + -5) + 3y + 7 = 0

Reorder the terms:
-3(3 + -3y) + -1(4y + -5) + 3y + 7 = 0
(3 * -3 + -3y * -3) + -1(4y + -5) + 3y + 7 = 0
(-9 + 9y) + -1(4y + -5) + 3y + 7 = 0

Reorder the terms:
-9 + 9y + -1(-5 + 4y) + 3y + 7 = 0
-9 + 9y + (-5 * -1 + 4y * -1) + 3y + 7 = 0
-9 + 9y + (5 + -4y) + 3y + 7 = 0

Reorder the terms:
-9 + 5 + 7 + 9y + -4y + 3y = 0

Combine like terms: -9 + 5 = -4
-4 + 7 + 9y + -4y + 3y = 0

Combine like terms: -4 + 7 = 3
3 + 9y + -4y + 3y = 0

Combine like terms: 9y + -4y = 5y
3 + 5y + 3y = 0

Combine like terms: 5y + 3y = 8y
3 + 8y = 0

Solving
3 + 8y = 0

Solving for variable 'y'.

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

Add '-3' to each side of the equation.
3 + -3 + 8y = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 8y = 0 + -3
8y = 0 + -3

Combine like terms: 0 + -3 = -3
8y = -3

Divide each side by '8'.
y = -0.375

Simplifying
y = -0.375

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