4x-30=-[3](1[x-4]1)

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Solution for 4x-30=-[3](1[x-4]1) equation:


Simplifying
4x + -30 = -1[3](1[x + -4] * 1)

Reorder the terms:
-30 + 4x = -1[3](1[x + -4] * 1)

Reorder the terms:
-30 + 4x = -1 * 3(1[-4 + x] * 1)

Reorder the terms for easier multiplication:
-30 + 4x = -1 * 3(1 * 1[-4 + x])

Multiply 1 * 1
-30 + 4x = -1 * 3(1[-4 + x])
-30 + 4x = -1 * 3([-4 * 1 + x * 1])
-30 + 4x = -1 * 3([-4 + 1x])

Multiply -1 * 3
-30 + 4x = -3(-4 + 1x)
-30 + 4x = (-4 * -3 + 1x * -3)
-30 + 4x = (12 + -3x)

Solving
-30 + 4x = 12 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
-30 + 4x + 3x = 12 + -3x + 3x

Combine like terms: 4x + 3x = 7x
-30 + 7x = 12 + -3x + 3x

Combine like terms: -3x + 3x = 0
-30 + 7x = 12 + 0
-30 + 7x = 12

Add '30' to each side of the equation.
-30 + 30 + 7x = 12 + 30

Combine like terms: -30 + 30 = 0
0 + 7x = 12 + 30
7x = 12 + 30

Combine like terms: 12 + 30 = 42
7x = 42

Divide each side by '7'.
x = 6

Simplifying
x = 6

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