x+6+3x+9=63

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Solution for x+6+3x+9=63 equation:


Simplifying
x + 6 + 3x + 9 = 63

Reorder the terms:
6 + 9 + x + 3x = 63

Combine like terms: 6 + 9 = 15
15 + x + 3x = 63

Combine like terms: x + 3x = 4x
15 + 4x = 63

Solving
15 + 4x = 63

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + 4x = 63 + -15

Combine like terms: 15 + -15 = 0
0 + 4x = 63 + -15
4x = 63 + -15

Combine like terms: 63 + -15 = 48
4x = 48

Divide each side by '4'.
x = 12

Simplifying
x = 12

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