(15+3x)-x(-3)=

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Solution for (15+3x)-x(-3)= equation:


Simplifying
(15 + 3x) + -1x(-3) = 0

Remove parenthesis around (15 + 3x)
15 + 3x + -1x(-3) = 0

Reorder the terms for easier multiplication:
15 + 3x + -1 * -3x = 0

Multiply -1 * -3
15 + 3x + 3x = 0

Combine like terms: 3x + 3x = 6x
15 + 6x = 0

Solving
15 + 6x = 0

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 + 6x = 0 + -15

Combine like terms: 15 + -15 = 0
0 + 6x = 0 + -15
6x = 0 + -15

Combine like terms: 0 + -15 = -15
6x = -15

Divide each side by '6'.
x = -2.5

Simplifying
x = -2.5

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