3x-4-x+7=

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


Simplifying
3x + -4 + -1x + 7 = 0

Reorder the terms:
-4 + 7 + 3x + -1x = 0

Combine like terms: -4 + 7 = 3
3 + 3x + -1x = 0

Combine like terms: 3x + -1x = 2x
3 + 2x = 0

Solving
3 + 2x = 0

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 2x = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 2x = 0 + -3
2x = 0 + -3

Combine like terms: 0 + -3 = -3
2x = -3

Divide each side by '2'.
x = -1.5

Simplifying
x = -1.5

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