7x+9=12+4

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Solution for 7x+9=12+4 equation: 


Simplifying
7x + 9 = 12 + 4

Reorder the terms:
9 + 7x = 12 + 4

Combine like terms: 12 + 4 = 16
9 + 7x = 16

Solving
9 + 7x = 16

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 7x = 16 + -9

Combine like terms: 9 + -9 = 0
0 + 7x = 16 + -9
7x = 16 + -9

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

Divide each side by '7'.
x = 1

Simplifying
x = 1

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