8x-4x+20-7x=20+5x-21-14

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Solution for 8x-4x+20-7x=20+5x-21-14 equation:


Simplifying
8x + -4x + 20 + -7x = 20 + 5x + -21 + -14

Reorder the terms:
20 + 8x + -4x + -7x = 20 + 5x + -21 + -14

Combine like terms: 8x + -4x = 4x
20 + 4x + -7x = 20 + 5x + -21 + -14

Combine like terms: 4x + -7x = -3x
20 + -3x = 20 + 5x + -21 + -14

Reorder the terms:
20 + -3x = 20 + -21 + -14 + 5x

Combine like terms: 20 + -21 = -1
20 + -3x = -1 + -14 + 5x

Combine like terms: -1 + -14 = -15
20 + -3x = -15 + 5x

Solving
20 + -3x = -15 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
20 + -3x + -5x = -15 + 5x + -5x

Combine like terms: -3x + -5x = -8x
20 + -8x = -15 + 5x + -5x

Combine like terms: 5x + -5x = 0
20 + -8x = -15 + 0
20 + -8x = -15

Add '-20' to each side of the equation.
20 + -20 + -8x = -15 + -20

Combine like terms: 20 + -20 = 0
0 + -8x = -15 + -20
-8x = -15 + -20

Combine like terms: -15 + -20 = -35
-8x = -35

Divide each side by '-8'.
x = 4.375

Simplifying
x = 4.375

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