7-4[2-(3y-5)]=

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Solution for 7-4[2-(3y-5)]= equation:


Simplifying
7 + -4[2 + -1(3y + -5)] = 0

Reorder the terms:
7 + -4[2 + -1(-5 + 3y)] = 0
7 + -4[2 + (-5 * -1 + 3y * -1)] = 0
7 + -4[2 + (5 + -3y)] = 0

Combine like terms: 2 + 5 = 7
7 + -4[7 + -3y] = 0
7 + [7 * -4 + -3y * -4] = 0
7 + [-28 + 12y] = 0

Combine like terms: 7 + -28 = -21
-21 + 12y = 0

Solving
-21 + 12y = 0

Solving for variable 'y'.

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

Add '21' to each side of the equation.
-21 + 21 + 12y = 0 + 21

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

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

Divide each side by '12'.
y = 1.75

Simplifying
y = 1.75

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