x(3)+3=3+12

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Solution for x(3)+3=3+12 equation:


Simplifying
x(3) + 3 = 3 + 12

Reorder the terms for easier multiplication:
3x + 3 = 3 + 12

Reorder the terms:
3 + 3x = 3 + 12

Combine like terms: 3 + 12 = 15
3 + 3x = 15

Solving
3 + 3x = 15

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 3x = 15 + -3

Combine like terms: 3 + -3 = 0
0 + 3x = 15 + -3
3x = 15 + -3

Combine like terms: 15 + -3 = 12
3x = 12

Divide each side by '3'.
x = 4

Simplifying
x = 4

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