-9-4x=12-7

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


Simplifying
-9 + -4x = 12 + -7

Combine like terms: 12 + -7 = 5
-9 + -4x = 5

Solving
-9 + -4x = 5

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 + -4x = 5 + 9

Combine like terms: -9 + 9 = 0
0 + -4x = 5 + 9
-4x = 5 + 9

Combine like terms: 5 + 9 = 14
-4x = 14

Divide each side by '-4'.
x = -3.5

Simplifying
x = -3.5

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