3x+7-9=4x+2

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Solution for 3x+7-9=4x+2 equation:


Simplifying
3x + 7 + -9 = 4x + 2

Reorder the terms:
7 + -9 + 3x = 4x + 2

Combine like terms: 7 + -9 = -2
-2 + 3x = 4x + 2

Reorder the terms:
-2 + 3x = 2 + 4x

Solving
-2 + 3x = 2 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-2 + 3x + -4x = 2 + 4x + -4x

Combine like terms: 3x + -4x = -1x
-2 + -1x = 2 + 4x + -4x

Combine like terms: 4x + -4x = 0
-2 + -1x = 2 + 0
-2 + -1x = 2

Add '2' to each side of the equation.
-2 + 2 + -1x = 2 + 2

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

Combine like terms: 2 + 2 = 4
-1x = 4

Divide each side by '-1'.
x = -4

Simplifying
x = -4

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