15x-20=4x+20

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Solution for 15x-20=4x+20 equation:


Simplifying
15x + -20 = 4x + 20

Reorder the terms:
-20 + 15x = 4x + 20

Reorder the terms:
-20 + 15x = 20 + 4x

Solving
-20 + 15x = 20 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-20 + 15x + -4x = 20 + 4x + -4x

Combine like terms: 15x + -4x = 11x
-20 + 11x = 20 + 4x + -4x

Combine like terms: 4x + -4x = 0
-20 + 11x = 20 + 0
-20 + 11x = 20

Add '20' to each side of the equation.
-20 + 20 + 11x = 20 + 20

Combine like terms: -20 + 20 = 0
0 + 11x = 20 + 20
11x = 20 + 20

Combine like terms: 20 + 20 = 40
11x = 40

Divide each side by '11'.
x = 3.636363636

Simplifying
x = 3.636363636

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