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

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


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

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

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

Combine like terms: 9x + 4x = 13x
-8 + 13x = x + 20

Reorder the terms:
-8 + 13x = 20 + x

Solving
-8 + 13x = 20 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-8 + 13x + -1x = 20 + x + -1x

Combine like terms: 13x + -1x = 12x
-8 + 12x = 20 + x + -1x

Combine like terms: x + -1x = 0
-8 + 12x = 20 + 0
-8 + 12x = 20

Add '8' to each side of the equation.
-8 + 8 + 12x = 20 + 8

Combine like terms: -8 + 8 = 0
0 + 12x = 20 + 8
12x = 20 + 8

Combine like terms: 20 + 8 = 28
12x = 28

Divide each side by '12'.
x = 2.333333333

Simplifying
x = 2.333333333

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