3x+8+5x+4y=5x+4y+5-20

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Solution for 3x+8+5x+4y=5x+4y+5-20 equation:


Simplifying
3x + 8 + 5x + 4y = 5x + 4y + 5 + -20

Reorder the terms:
8 + 3x + 5x + 4y = 5x + 4y + 5 + -20

Combine like terms: 3x + 5x = 8x
8 + 8x + 4y = 5x + 4y + 5 + -20

Reorder the terms:
8 + 8x + 4y = 5 + -20 + 5x + 4y

Combine like terms: 5 + -20 = -15
8 + 8x + 4y = -15 + 5x + 4y

Add '-4y' to each side of the equation.
8 + 8x + 4y + -4y = -15 + 5x + 4y + -4y

Combine like terms: 4y + -4y = 0
8 + 8x + 0 = -15 + 5x + 4y + -4y
8 + 8x = -15 + 5x + 4y + -4y

Combine like terms: 4y + -4y = 0
8 + 8x = -15 + 5x + 0
8 + 8x = -15 + 5x

Solving
8 + 8x = -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.
8 + 8x + -5x = -15 + 5x + -5x

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

Combine like terms: 5x + -5x = 0
8 + 3x = -15 + 0
8 + 3x = -15

Add '-8' to each side of the equation.
8 + -8 + 3x = -15 + -8

Combine like terms: 8 + -8 = 0
0 + 3x = -15 + -8
3x = -15 + -8

Combine like terms: -15 + -8 = -23
3x = -23

Divide each side by '3'.
x = -7.666666667

Simplifying
x = -7.666666667

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