3[5x-4]-[-30-45x]=

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Solution for 3[5x-4]-[-30-45x]= equation:


Simplifying
3[5x + -4] + -1[-30 + -45x] = 0

Reorder the terms:
3[-4 + 5x] + -1[-30 + -45x] = 0
[-4 * 3 + 5x * 3] + -1[-30 + -45x] = 0
[-12 + 15x] + -1[-30 + -45x] = 0
-12 + 15x + [-30 * -1 + -45x * -1] = 0
-12 + 15x + [30 + 45x] = 0

Reorder the terms:
-12 + 30 + 15x + 45x = 0

Combine like terms: -12 + 30 = 18
18 + 15x + 45x = 0

Combine like terms: 15x + 45x = 60x
18 + 60x = 0

Solving
18 + 60x = 0

Solving for variable 'x'.

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

Add '-18' to each side of the equation.
18 + -18 + 60x = 0 + -18

Combine like terms: 18 + -18 = 0
0 + 60x = 0 + -18
60x = 0 + -18

Combine like terms: 0 + -18 = -18
60x = -18

Divide each side by '60'.
x = -0.3

Simplifying
x = -0.3

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