18=3+-5X

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Solution for 18=3+-5X equation:


Simplifying
18 = 3 + -5X

Solving
18 = 3 + -5X

Solving for variable 'X'.

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

Add '5X' to each side of the equation.
18 + 5X = 3 + -5X + 5X

Combine like terms: -5X + 5X = 0
18 + 5X = 3 + 0
18 + 5X = 3

Add '-18' to each side of the equation.
18 + -18 + 5X = 3 + -18

Combine like terms: 18 + -18 = 0
0 + 5X = 3 + -18
5X = 3 + -18

Combine like terms: 3 + -18 = -15
5X = -15

Divide each side by '5'.
X = -3

Simplifying
X = -3

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