7-3[2-(4x+5)]=

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


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

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

Combine like terms: 2 + -5 = -3
7 + -3[-3 + -4x] = 0
7 + [-3 * -3 + -4x * -3] = 0
7 + [9 + 12x] = 0

Combine like terms: 7 + 9 = 16
16 + 12x = 0

Solving
16 + 12x = 0

Solving for variable 'x'.

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

Add '-16' to each side of the equation.
16 + -16 + 12x = 0 + -16

Combine like terms: 16 + -16 = 0
0 + 12x = 0 + -16
12x = 0 + -16

Combine like terms: 0 + -16 = -16
12x = -16

Divide each side by '12'.
x = -1.333333333

Simplifying
x = -1.333333333

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