-5x-7[-3x-3]=

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Solution for -5x-7[-3x-3]= equation:


Simplifying
-5x + -7[-3x + -3] = 0

Reorder the terms:
-5x + -7[-3 + -3x] = 0
-5x + [-3 * -7 + -3x * -7] = 0
-5x + [21 + 21x] = 0

Reorder the terms:
21 + -5x + 21x = 0

Combine like terms: -5x + 21x = 16x
21 + 16x = 0

Solving
21 + 16x = 0

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 16x = 0 + -21

Combine like terms: 21 + -21 = 0
0 + 16x = 0 + -21
16x = 0 + -21

Combine like terms: 0 + -21 = -21
16x = -21

Divide each side by '16'.
x = -1.3125

Simplifying
x = -1.3125

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