7x-[14-(2x+5)]=18-[3x+(15-4x)]

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Solution for 7x-[14-(2x+5)]=18-[3x+(15-4x)] equation:


Simplifying
7x + -1[14 + -1(2x + 5)] = 18 + -1[3x + (15 + -4x)]

Reorder the terms:
7x + -1[14 + -1(5 + 2x)] = 18 + -1[3x + (15 + -4x)]
7x + -1[14 + (5 * -1 + 2x * -1)] = 18 + -1[3x + (15 + -4x)]
7x + -1[14 + (-5 + -2x)] = 18 + -1[3x + (15 + -4x)]

Combine like terms: 14 + -5 = 9
7x + -1[9 + -2x] = 18 + -1[3x + (15 + -4x)]
7x + [9 * -1 + -2x * -1] = 18 + -1[3x + (15 + -4x)]
7x + [-9 + 2x] = 18 + -1[3x + (15 + -4x)]

Reorder the terms:
-9 + 7x + 2x = 18 + -1[3x + (15 + -4x)]

Combine like terms: 7x + 2x = 9x
-9 + 9x = 18 + -1[3x + (15 + -4x)]

Remove parenthesis around (15 + -4x)
-9 + 9x = 18 + -1[3x + 15 + -4x]

Reorder the terms:
-9 + 9x = 18 + -1[15 + 3x + -4x]

Combine like terms: 3x + -4x = -1x
-9 + 9x = 18 + -1[15 + -1x]
-9 + 9x = 18 + [15 * -1 + -1x * -1]
-9 + 9x = 18 + [-15 + 1x]

Combine like terms: 18 + -15 = 3
-9 + 9x = 3 + 1x

Solving
-9 + 9x = 3 + 1x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-9 + 9x + -1x = 3 + 1x + -1x

Combine like terms: 9x + -1x = 8x
-9 + 8x = 3 + 1x + -1x

Combine like terms: 1x + -1x = 0
-9 + 8x = 3 + 0
-9 + 8x = 3

Add '9' to each side of the equation.
-9 + 9 + 8x = 3 + 9

Combine like terms: -9 + 9 = 0
0 + 8x = 3 + 9
8x = 3 + 9

Combine like terms: 3 + 9 = 12
8x = 12

Divide each side by '8'.
x = 1.5

Simplifying
x = 1.5

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