3[x-4(x+5)-2]=-12

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Solution for 3[x-4(x+5)-2]=-12 equation:


Simplifying
3[x + -4(x + 5) + -2] = -12

Reorder the terms:
3[x + -4(5 + x) + -2] = -12
3[x + (5 * -4 + x * -4) + -2] = -12
3[x + (-20 + -4x) + -2] = -12

Reorder the terms:
3[-20 + -2 + x + -4x] = -12

Combine like terms: -20 + -2 = -22
3[-22 + x + -4x] = -12

Combine like terms: x + -4x = -3x
3[-22 + -3x] = -12
[-22 * 3 + -3x * 3] = -12
[-66 + -9x] = -12

Solving
-66 + -9x = -12

Solving for variable 'x'.

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

Add '66' to each side of the equation.
-66 + 66 + -9x = -12 + 66

Combine like terms: -66 + 66 = 0
0 + -9x = -12 + 66
-9x = -12 + 66

Combine like terms: -12 + 66 = 54
-9x = 54

Divide each side by '-9'.
x = -6

Simplifying
x = -6

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