x-15=2(4x+2)+9

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Solution for x-15=2(4x+2)+9 equation:


Simplifying
x + -15 = 2(4x + 2) + 9

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

Reorder the terms:
-15 + x = 2(2 + 4x) + 9
-15 + x = (2 * 2 + 4x * 2) + 9
-15 + x = (4 + 8x) + 9

Reorder the terms:
-15 + x = 4 + 9 + 8x

Combine like terms: 4 + 9 = 13
-15 + x = 13 + 8x

Solving
-15 + x = 13 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-15 + x + -8x = 13 + 8x + -8x

Combine like terms: x + -8x = -7x
-15 + -7x = 13 + 8x + -8x

Combine like terms: 8x + -8x = 0
-15 + -7x = 13 + 0
-15 + -7x = 13

Add '15' to each side of the equation.
-15 + 15 + -7x = 13 + 15

Combine like terms: -15 + 15 = 0
0 + -7x = 13 + 15
-7x = 13 + 15

Combine like terms: 13 + 15 = 28
-7x = 28

Divide each side by '-7'.
x = -4

Simplifying
x = -4

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