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

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


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

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

Combine like terms: 4 + 5 = 9
7 + -3[9 + -2y] = 0
7 + [9 * -3 + -2y * -3] = 0
7 + [-27 + 6y] = 0

Combine like terms: 7 + -27 = -20
-20 + 6y = 0

Solving
-20 + 6y = 0

Solving for variable 'y'.

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

Add '20' to each side of the equation.
-20 + 20 + 6y = 0 + 20

Combine like terms: -20 + 20 = 0
0 + 6y = 0 + 20
6y = 0 + 20

Combine like terms: 0 + 20 = 20
6y = 20

Divide each side by '6'.
y = 3.333333333

Simplifying
y = 3.333333333

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