16-9=x+4

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Solution for 16-9=x+4 equation:


Simplifying
16 + -9 = x + 4

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

Reorder the terms:
7 = 4 + x

Solving
7 = 4 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
7 + -1x = 4 + x + -1x

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

Add '-7' to each side of the equation.
7 + -7 + -1x = 4 + -7

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

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

Divide each side by '-1'.
x = 3

Simplifying
x = 3

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