105=3x+5(3x+3)

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Solution for 105=3x+5(3x+3) equation:


Simplifying
105 = 3x + 5(3x + 3)

Reorder the terms:
105 = 3x + 5(3 + 3x)
105 = 3x + (3 * 5 + 3x * 5)
105 = 3x + (15 + 15x)

Reorder the terms:
105 = 15 + 3x + 15x

Combine like terms: 3x + 15x = 18x
105 = 15 + 18x

Solving
105 = 15 + 18x

Solving for variable 'x'.

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

Add '-18x' to each side of the equation.
105 + -18x = 15 + 18x + -18x

Combine like terms: 18x + -18x = 0
105 + -18x = 15 + 0
105 + -18x = 15

Add '-105' to each side of the equation.
105 + -105 + -18x = 15 + -105

Combine like terms: 105 + -105 = 0
0 + -18x = 15 + -105
-18x = 15 + -105

Combine like terms: 15 + -105 = -90
-18x = -90

Divide each side by '-18'.
x = 5

Simplifying
x = 5

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