51=9-7x

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Solution for 51=9-7x equation:


Simplifying
51 = 9 + -7x

Solving
51 = 9 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
51 + 7x = 9 + -7x + 7x

Combine like terms: -7x + 7x = 0
51 + 7x = 9 + 0
51 + 7x = 9

Add '-51' to each side of the equation.
51 + -51 + 7x = 9 + -51

Combine like terms: 51 + -51 = 0
0 + 7x = 9 + -51
7x = 9 + -51

Combine like terms: 9 + -51 = -42
7x = -42

Divide each side by '7'.
x = -6

Simplifying
x = -6

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