2(6x+9)=3(x+21)

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Solution for 2(6x+9)=3(x+21) equation:


Simplifying
2(6x + 9) = 3(x + 21)

Reorder the terms:
2(9 + 6x) = 3(x + 21)
(9 * 2 + 6x * 2) = 3(x + 21)
(18 + 12x) = 3(x + 21)

Reorder the terms:
18 + 12x = 3(21 + x)
18 + 12x = (21 * 3 + x * 3)
18 + 12x = (63 + 3x)

Solving
18 + 12x = 63 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
18 + 12x + -3x = 63 + 3x + -3x

Combine like terms: 12x + -3x = 9x
18 + 9x = 63 + 3x + -3x

Combine like terms: 3x + -3x = 0
18 + 9x = 63 + 0
18 + 9x = 63

Add '-18' to each side of the equation.
18 + -18 + 9x = 63 + -18

Combine like terms: 18 + -18 = 0
0 + 9x = 63 + -18
9x = 63 + -18

Combine like terms: 63 + -18 = 45
9x = 45

Divide each side by '9'.
x = 5

Simplifying
x = 5

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