7[y+3]-4[3y+6]=

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Solution for 7[y+3]-4[3y+6]= equation:


Simplifying
7[y + 3] + -4[3y + 6] = 0

Reorder the terms:
7[3 + y] + -4[3y + 6] = 0
[3 * 7 + y * 7] + -4[3y + 6] = 0
[21 + 7y] + -4[3y + 6] = 0

Reorder the terms:
21 + 7y + -4[6 + 3y] = 0
21 + 7y + [6 * -4 + 3y * -4] = 0
21 + 7y + [-24 + -12y] = 0

Reorder the terms:
21 + -24 + 7y + -12y = 0

Combine like terms: 21 + -24 = -3
-3 + 7y + -12y = 0

Combine like terms: 7y + -12y = -5y
-3 + -5y = 0

Solving
-3 + -5y = 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 + -5y = 0 + 3

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

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

Divide each side by '-5'.
y = -0.6

Simplifying
y = -0.6

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