3X+15+3=12

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Solution for 3X+15+3=12 equation:


Simplifying
3X + 15 + 3 = 12

Reorder the terms:
15 + 3 + 3X = 12

Combine like terms: 15 + 3 = 18
18 + 3X = 12

Solving
18 + 3X = 12

Solving for variable 'X'.

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

Add '-18' to each side of the equation.
18 + -18 + 3X = 12 + -18

Combine like terms: 18 + -18 = 0
0 + 3X = 12 + -18
3X = 12 + -18

Combine like terms: 12 + -18 = -6
3X = -6

Divide each side by '3'.
X = -2

Simplifying
X = -2

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