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

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


Simplifying
7(4 + -1x) = 3(x + -4)
(4 * 7 + -1x * 7) = 3(x + -4)
(28 + -7x) = 3(x + -4)

Reorder the terms:
28 + -7x = 3(-4 + x)
28 + -7x = (-4 * 3 + x * 3)
28 + -7x = (-12 + 3x)

Solving
28 + -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.
28 + -7x + -3x = -12 + 3x + -3x

Combine like terms: -7x + -3x = -10x
28 + -10x = -12 + 3x + -3x

Combine like terms: 3x + -3x = 0
28 + -10x = -12 + 0
28 + -10x = -12

Add '-28' to each side of the equation.
28 + -28 + -10x = -12 + -28

Combine like terms: 28 + -28 = 0
0 + -10x = -12 + -28
-10x = -12 + -28

Combine like terms: -12 + -28 = -40
-10x = -40

Divide each side by '-10'.
x = 4

Simplifying
x = 4

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