3(x+15)=9(2+x)

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Solution for 3(x+15)=9(2+x) equation:


Simplifying
3(x + 15) = 9(2 + x)

Reorder the terms:
3(15 + x) = 9(2 + x)
(15 * 3 + x * 3) = 9(2 + x)
(45 + 3x) = 9(2 + x)
45 + 3x = (2 * 9 + x * 9)
45 + 3x = (18 + 9x)

Solving
45 + 3x = 18 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
45 + 3x + -9x = 18 + 9x + -9x

Combine like terms: 3x + -9x = -6x
45 + -6x = 18 + 9x + -9x

Combine like terms: 9x + -9x = 0
45 + -6x = 18 + 0
45 + -6x = 18

Add '-45' to each side of the equation.
45 + -45 + -6x = 18 + -45

Combine like terms: 45 + -45 = 0
0 + -6x = 18 + -45
-6x = 18 + -45

Combine like terms: 18 + -45 = -27
-6x = -27

Divide each side by '-6'.
x = 4.5

Simplifying
x = 4.5

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