3(x-4)=7x+2-2(-4x-1)

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Solution for 3(x-4)=7x+2-2(-4x-1) equation:


Simplifying
3(x + -4) = 7x + 2 + -2(-4x + -1)

Reorder the terms:
3(-4 + x) = 7x + 2 + -2(-4x + -1)
(-4 * 3 + x * 3) = 7x + 2 + -2(-4x + -1)
(-12 + 3x) = 7x + 2 + -2(-4x + -1)

Reorder the terms:
-12 + 3x = 7x + 2 + -2(-1 + -4x)
-12 + 3x = 7x + 2 + (-1 * -2 + -4x * -2)
-12 + 3x = 7x + 2 + (2 + 8x)

Reorder the terms:
-12 + 3x = 2 + 2 + 7x + 8x

Combine like terms: 2 + 2 = 4
-12 + 3x = 4 + 7x + 8x

Combine like terms: 7x + 8x = 15x
-12 + 3x = 4 + 15x

Solving
-12 + 3x = 4 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
-12 + 3x + -15x = 4 + 15x + -15x

Combine like terms: 3x + -15x = -12x
-12 + -12x = 4 + 15x + -15x

Combine like terms: 15x + -15x = 0
-12 + -12x = 4 + 0
-12 + -12x = 4

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

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

Combine like terms: 4 + 12 = 16
-12x = 16

Divide each side by '-12'.
x = -1.333333333

Simplifying
x = -1.333333333

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