3x+20=8x-4

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


Simplifying
3x + 20 = 8x + -4

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

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

Solving
20 + 3x = -4 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
20 + 3x + -8x = -4 + 8x + -8x

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

Combine like terms: 8x + -8x = 0
20 + -5x = -4 + 0
20 + -5x = -4

Add '-20' to each side of the equation.
20 + -20 + -5x = -4 + -20

Combine like terms: 20 + -20 = 0
0 + -5x = -4 + -20
-5x = -4 + -20

Combine like terms: -4 + -20 = -24
-5x = -24

Divide each side by '-5'.
x = 4.8

Simplifying
x = 4.8

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