-15+x=2(2x+9)

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Solution for -15+x=2(2x+9) equation:


Simplifying
-15 + x = 2(2x + 9)

Reorder the terms:
-15 + x = 2(9 + 2x)
-15 + x = (9 * 2 + 2x * 2)
-15 + x = (18 + 4x)

Solving
-15 + x = 18 + 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 + x + -4x = 18 + 4x + -4x

Combine like terms: x + -4x = -3x
-15 + -3x = 18 + 4x + -4x

Combine like terms: 4x + -4x = 0
-15 + -3x = 18 + 0
-15 + -3x = 18

Add '15' to each side of the equation.
-15 + 15 + -3x = 18 + 15

Combine like terms: -15 + 15 = 0
0 + -3x = 18 + 15
-3x = 18 + 15

Combine like terms: 18 + 15 = 33
-3x = 33

Divide each side by '-3'.
x = -11

Simplifying
x = -11

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