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

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


Simplifying
3(2 + x) = 7(x + -4)
(2 * 3 + x * 3) = 7(x + -4)
(6 + 3x) = 7(x + -4)

Reorder the terms:
6 + 3x = 7(-4 + x)
6 + 3x = (-4 * 7 + x * 7)
6 + 3x = (-28 + 7x)

Solving
6 + 3x = -28 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
6 + 3x + -7x = -28 + 7x + -7x

Combine like terms: 3x + -7x = -4x
6 + -4x = -28 + 7x + -7x

Combine like terms: 7x + -7x = 0
6 + -4x = -28 + 0
6 + -4x = -28

Add '-6' to each side of the equation.
6 + -6 + -4x = -28 + -6

Combine like terms: 6 + -6 = 0
0 + -4x = -28 + -6
-4x = -28 + -6

Combine like terms: -28 + -6 = -34
-4x = -34

Divide each side by '-4'.
x = 8.5

Simplifying
x = 8.5

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