7-X=84

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Solution for 7-X=84 equation:


Simplifying
7 + -1X = 84

Solving
7 + -1X = 84

Solving for variable 'X'.

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

Add '-7' to each side of the equation.
7 + -7 + -1X = 84 + -7

Combine like terms: 7 + -7 = 0
0 + -1X = 84 + -7
-1X = 84 + -7

Combine like terms: 84 + -7 = 77
-1X = 77

Divide each side by '-1'.
X = -77

Simplifying
X = -77

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