16-x=3+4

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Solution for 16-x=3+4 equation: 


Simplifying
16 + -1x = 3 + 4

Combine like terms: 3 + 4 = 7
16 + -1x = 7

Solving
16 + -1x = 7

Solving for variable 'x'.

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

Add '-16' to each side of the equation.
16 + -16 + -1x = 7 + -16

Combine like terms: 16 + -16 = 0
0 + -1x = 7 + -16
-1x = 7 + -16

Combine like terms: 7 + -16 = -9
-1x = -9

Divide each side by '-1'.
x = 9

Simplifying
x = 9

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