3x+7-5x-[4x-20-5]=4x-20

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Solution for 3x+7-5x-[4x-20-5]=4x-20 equation:


Simplifying
3x + 7 + -5x + -1[4x + -20 + -5] = 4x + -20

Reorder the terms:
3x + 7 + -5x + -1[-20 + -5 + 4x] = 4x + -20

Combine like terms: -20 + -5 = -25
3x + 7 + -5x + -1[-25 + 4x] = 4x + -20
3x + 7 + -5x + [-25 * -1 + 4x * -1] = 4x + -20
3x + 7 + -5x + [25 + -4x] = 4x + -20

Reorder the terms:
7 + 25 + 3x + -5x + -4x = 4x + -20

Combine like terms: 7 + 25 = 32
32 + 3x + -5x + -4x = 4x + -20

Combine like terms: 3x + -5x = -2x
32 + -2x + -4x = 4x + -20

Combine like terms: -2x + -4x = -6x
32 + -6x = 4x + -20

Reorder the terms:
32 + -6x = -20 + 4x

Solving
32 + -6x = -20 + 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.
32 + -6x + -4x = -20 + 4x + -4x

Combine like terms: -6x + -4x = -10x
32 + -10x = -20 + 4x + -4x

Combine like terms: 4x + -4x = 0
32 + -10x = -20 + 0
32 + -10x = -20

Add '-32' to each side of the equation.
32 + -32 + -10x = -20 + -32

Combine like terms: 32 + -32 = 0
0 + -10x = -20 + -32
-10x = -20 + -32

Combine like terms: -20 + -32 = -52
-10x = -52

Divide each side by '-10'.
x = 5.2

Simplifying
x = 5.2

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