3(X+12)-4=42

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Solution for 3(X+12)-4=42 equation:


Simplifying
3(X + 12) + -4 = 42

Reorder the terms:
3(12 + X) + -4 = 42
(12 * 3 + X * 3) + -4 = 42
(36 + 3X) + -4 = 42

Reorder the terms:
36 + -4 + 3X = 42

Combine like terms: 36 + -4 = 32
32 + 3X = 42

Solving
32 + 3X = 42

Solving for variable 'X'.

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

Add '-32' to each side of the equation.
32 + -32 + 3X = 42 + -32

Combine like terms: 32 + -32 = 0
0 + 3X = 42 + -32
3X = 42 + -32

Combine like terms: 42 + -32 = 10
3X = 10

Divide each side by '3'.
X = 3.333333333

Simplifying
X = 3.333333333

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