20=3x+5x+4

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Solution for 20=3x+5x+4 equation:


Simplifying
20 = 3x + 5x + 4

Reorder the terms:
20 = 4 + 3x + 5x

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

Solving
20 = 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 + -8x = 4 + 8x + -8x

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

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

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

Combine like terms: 4 + -20 = -16
-8x = -16

Divide each side by '-8'.
x = 2

Simplifying
x = 2

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