3x+[-6x-(x+4)]=8x+3(-15-8)

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Solution for 3x+[-6x-(x+4)]=8x+3(-15-8) equation:


Simplifying
3x + [-6x + -1(x + 4)] = 8x + 3(-15 + -8)

Reorder the terms:
3x + [-6x + -1(4 + x)] = 8x + 3(-15 + -8)
3x + [-6x + (4 * -1 + x * -1)] = 8x + 3(-15 + -8)
3x + [-6x + (-4 + -1x)] = 8x + 3(-15 + -8)

Reorder the terms:
3x + [-4 + -6x + -1x] = 8x + 3(-15 + -8)

Combine like terms: -6x + -1x = -7x
3x + [-4 + -7x] = 8x + 3(-15 + -8)

Remove brackets around [-4 + -7x]
3x + -4 + -7x = 8x + 3(-15 + -8)

Reorder the terms:
-4 + 3x + -7x = 8x + 3(-15 + -8)

Combine like terms: 3x + -7x = -4x
-4 + -4x = 8x + 3(-15 + -8)

Combine like terms: -15 + -8 = -23
-4 + -4x = 8x + 3(-23)

Multiply 3 * -23
-4 + -4x = 8x + -69

Reorder the terms:
-4 + -4x = -69 + 8x

Solving
-4 + -4x = -69 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-4 + -4x + -8x = -69 + 8x + -8x

Combine like terms: -4x + -8x = -12x
-4 + -12x = -69 + 8x + -8x

Combine like terms: 8x + -8x = 0
-4 + -12x = -69 + 0
-4 + -12x = -69

Add '4' to each side of the equation.
-4 + 4 + -12x = -69 + 4

Combine like terms: -4 + 4 = 0
0 + -12x = -69 + 4
-12x = -69 + 4

Combine like terms: -69 + 4 = -65
-12x = -65

Divide each side by '-12'.
x = 5.416666667

Simplifying
x = 5.416666667

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