9(x-4)=5x-20

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Solution for 9(x-4)=5x-20 equation:


Simplifying
9(x + -4) = 5x + -20

Reorder the terms:
9(-4 + x) = 5x + -20
(-4 * 9 + x * 9) = 5x + -20
(-36 + 9x) = 5x + -20

Reorder the terms:
-36 + 9x = -20 + 5x

Solving
-36 + 9x = -20 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
-36 + 9x + -5x = -20 + 5x + -5x

Combine like terms: 9x + -5x = 4x
-36 + 4x = -20 + 5x + -5x

Combine like terms: 5x + -5x = 0
-36 + 4x = -20 + 0
-36 + 4x = -20

Add '36' to each side of the equation.
-36 + 36 + 4x = -20 + 36

Combine like terms: -36 + 36 = 0
0 + 4x = -20 + 36
4x = -20 + 36

Combine like terms: -20 + 36 = 16
4x = 16

Divide each side by '4'.
x = 4

Simplifying
x = 4

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