7x-9-4x=x+4+x

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


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

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

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

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

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

Solving
-9 + 3x = 4 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-9 + 3x + -2x = 4 + 2x + -2x

Combine like terms: 3x + -2x = 1x
-9 + 1x = 4 + 2x + -2x

Combine like terms: 2x + -2x = 0
-9 + 1x = 4 + 0
-9 + 1x = 4

Add '9' to each side of the equation.
-9 + 9 + 1x = 4 + 9

Combine like terms: -9 + 9 = 0
0 + 1x = 4 + 9
1x = 4 + 9

Combine like terms: 4 + 9 = 13
1x = 13

Divide each side by '1'.
x = 13

Simplifying
x = 13

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