3x-(7+x)=-23

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Solution for 3x-(7+x)=-23 equation:


Simplifying
3x + -1(7 + x) = -23
3x + (7 * -1 + x * -1) = -23
3x + (-7 + -1x) = -23

Reorder the terms:
-7 + 3x + -1x = -23

Combine like terms: 3x + -1x = 2x
-7 + 2x = -23

Solving
-7 + 2x = -23

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 7 + 2x = -23 + 7

Combine like terms: -7 + 7 = 0
0 + 2x = -23 + 7
2x = -23 + 7

Combine like terms: -23 + 7 = -16
2x = -16

Divide each side by '2'.
x = -8

Simplifying
x = -8

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