7+8+9+7+X=1

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Solution for 7+8+9+7+X=1 equation:


Simplifying
7 + 8 + 9 + 7 + X = 1

Combine like terms: 7 + 8 = 15
15 + 9 + 7 + X = 1

Combine like terms: 15 + 9 = 24
24 + 7 + X = 1

Combine like terms: 24 + 7 = 31
31 + X = 1

Solving
31 + X = 1

Solving for variable 'X'.

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

Add '-31' to each side of the equation.
31 + -31 + X = 1 + -31

Combine like terms: 31 + -31 = 0
0 + X = 1 + -31
X = 1 + -31

Combine like terms: 1 + -31 = -30
X = -30

Simplifying
X = -30

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