3x-15=-2(18+2x)

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Solution for 3x-15=-2(18+2x) equation:


Simplifying
3x + -15 = -2(18 + 2x)

Reorder the terms:
-15 + 3x = -2(18 + 2x)
-15 + 3x = (18 * -2 + 2x * -2)
-15 + 3x = (-36 + -4x)

Solving
-15 + 3x = -36 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
-15 + 3x + 4x = -36 + -4x + 4x

Combine like terms: 3x + 4x = 7x
-15 + 7x = -36 + -4x + 4x

Combine like terms: -4x + 4x = 0
-15 + 7x = -36 + 0
-15 + 7x = -36

Add '15' to each side of the equation.
-15 + 15 + 7x = -36 + 15

Combine like terms: -15 + 15 = 0
0 + 7x = -36 + 15
7x = -36 + 15

Combine like terms: -36 + 15 = -21
7x = -21

Divide each side by '7'.
x = -3

Simplifying
x = -3

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