6x-3*-7=9

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Solution for 6x-3*-7=9 equation: 


Simplifying
6x + -3 * -7 = 9

Multiply -3 * -7
6x + 21 = 9

Reorder the terms:
21 + 6x = 9

Solving
21 + 6x = 9

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 6x = 9 + -21

Combine like terms: 21 + -21 = 0
0 + 6x = 9 + -21
6x = 9 + -21

Combine like terms: 9 + -21 = -12
6x = -12

Divide each side by '6'.
x = -2

Simplifying
x = -2

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