3x-(7-1x)=29

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Solution for 3x-(7-1x)=29 equation:


Simplifying
3x + -1(7 + -1x) = 29
3x + (7 * -1 + -1x * -1) = 29
3x + (-7 + 1x) = 29

Reorder the terms:
-7 + 3x + 1x = 29

Combine like terms: 3x + 1x = 4x
-7 + 4x = 29

Solving
-7 + 4x = 29

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 + 4x = 29 + 7

Combine like terms: -7 + 7 = 0
0 + 4x = 29 + 7
4x = 29 + 7

Combine like terms: 29 + 7 = 36
4x = 36

Divide each side by '4'.
x = 9

Simplifying
x = 9

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