x+3(x+6)=(2x+16)

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Solution for x+3(x+6)=(2x+16) equation:


Simplifying
x + 3(x + 6) = (2x + 16)

Reorder the terms:
x + 3(6 + x) = (2x + 16)
x + (6 * 3 + x * 3) = (2x + 16)
x + (18 + 3x) = (2x + 16)

Reorder the terms:
18 + x + 3x = (2x + 16)

Combine like terms: x + 3x = 4x
18 + 4x = (2x + 16)

Reorder the terms:
18 + 4x = (16 + 2x)

Remove parenthesis around (16 + 2x)
18 + 4x = 16 + 2x

Solving
18 + 4x = 16 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
18 + 4x + -2x = 16 + 2x + -2x

Combine like terms: 4x + -2x = 2x
18 + 2x = 16 + 2x + -2x

Combine like terms: 2x + -2x = 0
18 + 2x = 16 + 0
18 + 2x = 16

Add '-18' to each side of the equation.
18 + -18 + 2x = 16 + -18

Combine like terms: 18 + -18 = 0
0 + 2x = 16 + -18
2x = 16 + -18

Combine like terms: 16 + -18 = -2
2x = -2

Divide each side by '2'.
x = -1

Simplifying
x = -1

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