3x+6=x-4-7

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Solution for 3x+6=x-4-7 equation:


Simplifying
3x + 6 = x + -4 + -7

Reorder the terms:
6 + 3x = x + -4 + -7

Reorder the terms:
6 + 3x = -4 + -7 + x

Combine like terms: -4 + -7 = -11
6 + 3x = -11 + x

Solving
6 + 3x = -11 + 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.
6 + 3x + -1x = -11 + x + -1x

Combine like terms: 3x + -1x = 2x
6 + 2x = -11 + x + -1x

Combine like terms: x + -1x = 0
6 + 2x = -11 + 0
6 + 2x = -11

Add '-6' to each side of the equation.
6 + -6 + 2x = -11 + -6

Combine like terms: 6 + -6 = 0
0 + 2x = -11 + -6
2x = -11 + -6

Combine like terms: -11 + -6 = -17
2x = -17

Divide each side by '2'.
x = -8.5

Simplifying
x = -8.5

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