15x-[23-6x]-[x+1]=20

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Solution for 15x-[23-6x]-[x+1]=20 equation:


Simplifying
15x + -1[23 + -6x] + -1[x + 1] = 20
15x + [23 * -1 + -6x * -1] + -1[x + 1] = 20
15x + [-23 + 6x] + -1[x + 1] = 20

Reorder the terms:
15x + -23 + 6x + -1[1 + x] = 20
15x + -23 + 6x + [1 * -1 + x * -1] = 20
15x + -23 + 6x + [-1 + -1x] = 20

Reorder the terms:
-23 + -1 + 15x + 6x + -1x = 20

Combine like terms: -23 + -1 = -24
-24 + 15x + 6x + -1x = 20

Combine like terms: 15x + 6x = 21x
-24 + 21x + -1x = 20

Combine like terms: 21x + -1x = 20x
-24 + 20x = 20

Solving
-24 + 20x = 20

Solving for variable 'x'.

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

Add '24' to each side of the equation.
-24 + 24 + 20x = 20 + 24

Combine like terms: -24 + 24 = 0
0 + 20x = 20 + 24
20x = 20 + 24

Combine like terms: 20 + 24 = 44
20x = 44

Divide each side by '20'.
x = 2.2

Simplifying
x = 2.2

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