8*-7-9=x

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Solution for 8*-7-9=x equation:


Simplifying
8 * -7 + -9 = x

Multiply 8 * -7
-56 + -9 = x

Combine like terms: -56 + -9 = -65
-65 = x

Solving
-65 = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-65 + -1x = x + -1x

Combine like terms: x + -1x = 0
-65 + -1x = 0

Add '65' to each side of the equation.
-65 + 65 + -1x = 0 + 65

Combine like terms: -65 + 65 = 0
0 + -1x = 0 + 65
-1x = 0 + 65

Combine like terms: 0 + 65 = 65
-1x = 65

Divide each side by '-1'.
x = -65

Simplifying
x = -65

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