9x-20=3x+7

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Solution for 9x-20=3x+7 equation:


Simplifying
9x + -20 = 3x + 7

Reorder the terms:
-20 + 9x = 3x + 7

Reorder the terms:
-20 + 9x = 7 + 3x

Solving
-20 + 9x = 7 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-20 + 9x + -3x = 7 + 3x + -3x

Combine like terms: 9x + -3x = 6x
-20 + 6x = 7 + 3x + -3x

Combine like terms: 3x + -3x = 0
-20 + 6x = 7 + 0
-20 + 6x = 7

Add '20' to each side of the equation.
-20 + 20 + 6x = 7 + 20

Combine like terms: -20 + 20 = 0
0 + 6x = 7 + 20
6x = 7 + 20

Combine like terms: 7 + 20 = 27
6x = 27

Divide each side by '6'.
x = 4.5

Simplifying
x = 4.5

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