7(x-4)+8=3(x-4)

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Solution for 7(x-4)+8=3(x-4) equation:


Simplifying
7(x + -4) + 8 = 3(x + -4)

Reorder the terms:
7(-4 + x) + 8 = 3(x + -4)
(-4 * 7 + x * 7) + 8 = 3(x + -4)
(-28 + 7x) + 8 = 3(x + -4)

Reorder the terms:
-28 + 8 + 7x = 3(x + -4)

Combine like terms: -28 + 8 = -20
-20 + 7x = 3(x + -4)

Reorder the terms:
-20 + 7x = 3(-4 + x)
-20 + 7x = (-4 * 3 + x * 3)
-20 + 7x = (-12 + 3x)

Solving
-20 + 7x = -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.
-20 + 7x + -3x = -12 + 3x + -3x

Combine like terms: 7x + -3x = 4x
-20 + 4x = -12 + 3x + -3x

Combine like terms: 3x + -3x = 0
-20 + 4x = -12 + 0
-20 + 4x = -12

Add '20' to each side of the equation.
-20 + 20 + 4x = -12 + 20

Combine like terms: -20 + 20 = 0
0 + 4x = -12 + 20
4x = -12 + 20

Combine like terms: -12 + 20 = 8
4x = 8

Divide each side by '4'.
x = 2

Simplifying
x = 2

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