3(x+4)-5=x

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Solution for 3(x+4)-5=x equation:


Simplifying
3(x + 4) + -5 = x

Reorder the terms:
3(4 + x) + -5 = x
(4 * 3 + x * 3) + -5 = x
(12 + 3x) + -5 = x

Reorder the terms:
12 + -5 + 3x = x

Combine like terms: 12 + -5 = 7
7 + 3x = x

Solving
7 + 3x = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
7 + 3x + -1x = x + -1x

Combine like terms: 3x + -1x = 2x
7 + 2x = x + -1x

Combine like terms: x + -1x = 0
7 + 2x = 0

Add '-7' to each side of the equation.
7 + -7 + 2x = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 2x = 0 + -7
2x = 0 + -7

Combine like terms: 0 + -7 = -7
2x = -7

Divide each side by '2'.
x = -3.5

Simplifying
x = -3.5

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