3x-7=4+5

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Solution for 3x-7=4+5 equation: 


Simplifying
3x + -7 = 4 + 5

Reorder the terms:
-7 + 3x = 4 + 5

Combine like terms: 4 + 5 = 9
-7 + 3x = 9

Solving
-7 + 3x = 9

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 7 + 3x = 9 + 7

Combine like terms: -7 + 7 = 0
0 + 3x = 9 + 7
3x = 9 + 7

Combine like terms: 9 + 7 = 16
3x = 16

Divide each side by '3'.
x = 5.333333333

Simplifying
x = 5.333333333

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