4x-20=7x+9

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Solution for 4x-20=7x+9 equation:


Simplifying
4x + -20 = 7x + 9

Reorder the terms:
-20 + 4x = 7x + 9

Reorder the terms:
-20 + 4x = 9 + 7x

Solving
-20 + 4x = 9 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-20 + 4x + -7x = 9 + 7x + -7x

Combine like terms: 4x + -7x = -3x
-20 + -3x = 9 + 7x + -7x

Combine like terms: 7x + -7x = 0
-20 + -3x = 9 + 0
-20 + -3x = 9

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

Combine like terms: -20 + 20 = 0
0 + -3x = 9 + 20
-3x = 9 + 20

Combine like terms: 9 + 20 = 29
-3x = 29

Divide each side by '-3'.
x = -9.666666667

Simplifying
x = -9.666666667

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