x-4=9+7

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Solution for x-4=9+7 equation: 


Simplifying
x + -4 = 9 + 7

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

Combine like terms: 9 + 7 = 16
-4 + x = 16

Solving
-4 + x = 16

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + x = 16 + 4

Combine like terms: -4 + 4 = 0
0 + x = 16 + 4
x = 16 + 4

Combine like terms: 16 + 4 = 20
x = 20

Simplifying
x = 20

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