9x+8=4x+20

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Solution for 9x+8=4x+20 equation:


Simplifying
9x + 8 = 4x + 20

Reorder the terms:
8 + 9x = 4x + 20

Reorder the terms:
8 + 9x = 20 + 4x

Solving
8 + 9x = 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.
8 + 9x + -4x = 20 + 4x + -4x

Combine like terms: 9x + -4x = 5x
8 + 5x = 20 + 4x + -4x

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

Add '-8' to each side of the equation.
8 + -8 + 5x = 20 + -8

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

Combine like terms: 20 + -8 = 12
5x = 12

Divide each side by '5'.
x = 2.4

Simplifying
x = 2.4

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