9x-4(x-2)=20

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Solution for 9x-4(x-2)=20 equation:


Simplifying
9x + -4(x + -2) = 20

Reorder the terms:
9x + -4(-2 + x) = 20
9x + (-2 * -4 + x * -4) = 20
9x + (8 + -4x) = 20

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

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

Solving
8 + 5x = 20

Solving for variable 'x'.

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

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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