3(y+4)=-3(2y-7)+3y

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Solution for 3(y+4)=-3(2y-7)+3y equation:


Simplifying
3(y + 4) = -3(2y + -7) + 3y

Reorder the terms:
3(4 + y) = -3(2y + -7) + 3y
(4 * 3 + y * 3) = -3(2y + -7) + 3y
(12 + 3y) = -3(2y + -7) + 3y

Reorder the terms:
12 + 3y = -3(-7 + 2y) + 3y
12 + 3y = (-7 * -3 + 2y * -3) + 3y
12 + 3y = (21 + -6y) + 3y

Combine like terms: -6y + 3y = -3y
12 + 3y = 21 + -3y

Solving
12 + 3y = 21 + -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.
12 + 3y + 3y = 21 + -3y + 3y

Combine like terms: 3y + 3y = 6y
12 + 6y = 21 + -3y + 3y

Combine like terms: -3y + 3y = 0
12 + 6y = 21 + 0
12 + 6y = 21

Add '-12' to each side of the equation.
12 + -12 + 6y = 21 + -12

Combine like terms: 12 + -12 = 0
0 + 6y = 21 + -12
6y = 21 + -12

Combine like terms: 21 + -12 = 9
6y = 9

Divide each side by '6'.
y = 1.5

Simplifying
y = 1.5

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