3(y-4)=2(y+6)-3(y+7)

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Solution for 3(y-4)=2(y+6)-3(y+7) equation:


Simplifying
3(y + -4) = 2(y + 6) + -3(y + 7)

Reorder the terms:
3(-4 + y) = 2(y + 6) + -3(y + 7)
(-4 * 3 + y * 3) = 2(y + 6) + -3(y + 7)
(-12 + 3y) = 2(y + 6) + -3(y + 7)

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

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

Reorder the terms:
-12 + 3y = 12 + -21 + 2y + -3y

Combine like terms: 12 + -21 = -9
-12 + 3y = -9 + 2y + -3y

Combine like terms: 2y + -3y = -1y
-12 + 3y = -9 + -1y

Solving
-12 + 3y = -9 + -1y

Solving for variable 'y'.

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

Add 'y' to each side of the equation.
-12 + 3y + y = -9 + -1y + y

Combine like terms: 3y + y = 4y
-12 + 4y = -9 + -1y + y

Combine like terms: -1y + y = 0
-12 + 4y = -9 + 0
-12 + 4y = -9

Add '12' to each side of the equation.
-12 + 12 + 4y = -9 + 12

Combine like terms: -12 + 12 = 0
0 + 4y = -9 + 12
4y = -9 + 12

Combine like terms: -9 + 12 = 3
4y = 3

Divide each side by '4'.
y = 0.75

Simplifying
y = 0.75

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