-3[x-15]=-4

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Solution for -3[x-15]=-4 equation:


Simplifying
-3[x + -15] = -4

Reorder the terms:
-3[-15 + x] = -4
[-15 * -3 + x * -3] = -4
[45 + -3x] = -4

Solving
45 + -3x = -4

Solving for variable 'x'.

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

Add '-45' to each side of the equation.
45 + -45 + -3x = -4 + -45

Combine like terms: 45 + -45 = 0
0 + -3x = -4 + -45
-3x = -4 + -45

Combine like terms: -4 + -45 = -49
-3x = -49

Divide each side by '-3'.
x = 16.33333333

Simplifying
x = 16.33333333

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