-3[4x-5]=45

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Solution for -3[4x-5]=45 equation:


Simplifying
-3[4x + -5] = 45

Reorder the terms:
-3[-5 + 4x] = 45
[-5 * -3 + 4x * -3] = 45
[15 + -12x] = 45

Solving
15 + -12x = 45

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + -12x = 45 + -15

Combine like terms: 15 + -15 = 0
0 + -12x = 45 + -15
-12x = 45 + -15

Combine like terms: 45 + -15 = 30
-12x = 30

Divide each side by '-12'.
x = -2.5

Simplifying
x = -2.5

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