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

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


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

Reorder the terms:
7(-4 + x) + -4(x + 2) = 4(x + -4)
(-4 * 7 + x * 7) + -4(x + 2) = 4(x + -4)
(-28 + 7x) + -4(x + 2) = 4(x + -4)

Reorder the terms:
-28 + 7x + -4(2 + x) = 4(x + -4)
-28 + 7x + (2 * -4 + x * -4) = 4(x + -4)
-28 + 7x + (-8 + -4x) = 4(x + -4)

Reorder the terms:
-28 + -8 + 7x + -4x = 4(x + -4)

Combine like terms: -28 + -8 = -36
-36 + 7x + -4x = 4(x + -4)

Combine like terms: 7x + -4x = 3x
-36 + 3x = 4(x + -4)

Reorder the terms:
-36 + 3x = 4(-4 + x)
-36 + 3x = (-4 * 4 + x * 4)
-36 + 3x = (-16 + 4x)

Solving
-36 + 3x = -16 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-36 + 3x + -4x = -16 + 4x + -4x

Combine like terms: 3x + -4x = -1x
-36 + -1x = -16 + 4x + -4x

Combine like terms: 4x + -4x = 0
-36 + -1x = -16 + 0
-36 + -1x = -16

Add '36' to each side of the equation.
-36 + 36 + -1x = -16 + 36

Combine like terms: -36 + 36 = 0
0 + -1x = -16 + 36
-1x = -16 + 36

Combine like terms: -16 + 36 = 20
-1x = 20

Divide each side by '-1'.
x = -20

Simplifying
x = -20

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