15x-23=2(4x+20)

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Solution for 15x-23=2(4x+20) equation:


Simplifying
15x + -23 = 2(4x + 20)

Reorder the terms:
-23 + 15x = 2(4x + 20)

Reorder the terms:
-23 + 15x = 2(20 + 4x)
-23 + 15x = (20 * 2 + 4x * 2)
-23 + 15x = (40 + 8x)

Solving
-23 + 15x = 40 + 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.
-23 + 15x + -8x = 40 + 8x + -8x

Combine like terms: 15x + -8x = 7x
-23 + 7x = 40 + 8x + -8x

Combine like terms: 8x + -8x = 0
-23 + 7x = 40 + 0
-23 + 7x = 40

Add '23' to each side of the equation.
-23 + 23 + 7x = 40 + 23

Combine like terms: -23 + 23 = 0
0 + 7x = 40 + 23
7x = 40 + 23

Combine like terms: 40 + 23 = 63
7x = 63

Divide each side by '7'.
x = 9

Simplifying
x = 9

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